Home / 4,805.60-6,631.81-2,817.59

Finding the Fourth Proportional to 4,805.60, 6,631.81 and 2,817.59

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Solution

The fourth proportional to 4,805.60, 6,631.81 and 2,817.59 is: 3,888.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,805.60 : 6,631.81 = 2,817.59 : x
  2. Step 2: Convert to fraction form
    4,805.60/6,631.81 = 2,817.59/x
  3. Step 3: Cross multiply
    4,805.60x = 6,631.81 × 2,817.59
  4. Step 4: Simplify right side
    4,805.60x = 18,685,681.33
  5. Step 5: Solve for x
    x = 18,685,681.33/4,805.60
  6. Step 6: Final answer
    x = 3,888.32

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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.