Home / 7,817.84-10,788.62-4,281.27

Finding the Fourth Proportional to 7,817.84, 10,788.62 and 4,281.27

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Solution

The fourth proportional to 7,817.84, 10,788.62 and 4,281.27 is: 5,908.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,817.84 : 10,788.62 = 4,281.27 : x
  2. Step 2: Convert to fraction form
    7,817.84/10,788.62 = 4,281.27/x
  3. Step 3: Cross multiply
    7,817.84x = 10,788.62 × 4,281.27
  4. Step 4: Simplify right side
    7,817.84x = 46,188,995.15
  5. Step 5: Solve for x
    x = 46,188,995.15/7,817.84
  6. Step 6: Final answer
    x = 5,908.15

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Half scale
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Double scale
Find fourth proportional to 7,818.84, 10,790 and 4,282.27
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.