Home / 6,252.09-9,378.18-1,870.80

Finding the Fourth Proportional to 6,252.09, 9,378.18 and 1,870.80

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Solution

The fourth proportional to 6,252.09, 9,378.18 and 1,870.80 is: 2,806.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,252.09 : 9,378.18 = 1,870.80 : x
  2. Step 2: Convert to fraction form
    6,252.09/9,378.18 = 1,870.80/x
  3. Step 3: Cross multiply
    6,252.09x = 9,378.18 × 1,870.80
  4. Step 4: Simplify right side
    6,252.09x = 17,544,699.14
  5. Step 5: Solve for x
    x = 17,544,699.14/6,252.09
  6. Step 6: Final answer
    x = 2,806.21

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.