Home / 6,637.85-9,159.81-3,805.19

Finding the Fourth Proportional to 6,637.85, 9,159.81 and 3,805.19

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Solution

The fourth proportional to 6,637.85, 9,159.81 and 3,805.19 is: 5,250.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,637.85 : 9,159.81 = 3,805.19 : x
  2. Step 2: Convert to fraction form
    6,637.85/9,159.81 = 3,805.19/x
  3. Step 3: Cross multiply
    6,637.85x = 9,159.81 × 3,805.19
  4. Step 4: Simplify right side
    6,637.85x = 34,854,817.41
  5. Step 5: Solve for x
    x = 34,854,817.41/6,637.85
  6. Step 6: Final answer
    x = 5,250.92

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Half scale
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Double scale
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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.