Home / 9,637.20-13,302.36-5,659.92

Finding the Fourth Proportional to 9,637.20, 13,302.36 and 5,659.92

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Solution

The fourth proportional to 9,637.20, 13,302.36 and 5,659.92 is: 7,812.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,637.20 : 13,302.36 = 5,659.92 : x
  2. Step 2: Convert to fraction form
    9,637.20/13,302.36 = 5,659.92/x
  3. Step 3: Cross multiply
    9,637.20x = 13,302.36 × 5,659.92
  4. Step 4: Simplify right side
    9,637.20x = 75,290,293.41
  5. Step 5: Solve for x
    x = 75,290,293.41/9,637.20
  6. Step 6: Final answer
    x = 7,812.47

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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.