Home / 7,712.29-10,637.47-5,323.18

Finding the Fourth Proportional to 7,712.29, 10,637.47 and 5,323.18

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Solution

The fourth proportional to 7,712.29, 10,637.47 and 5,323.18 is: 7,342.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,712.29 : 10,637.47 = 5,323.18 : x
  2. Step 2: Convert to fraction form
    7,712.29/10,637.47 = 5,323.18/x
  3. Step 3: Cross multiply
    7,712.29x = 10,637.47 × 5,323.18
  4. Step 4: Simplify right side
    7,712.29x = 56,625,167.55
  5. Step 5: Solve for x
    x = 56,625,167.55/7,712.29
  6. Step 6: Final answer
    x = 7,342.20

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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.