Home / 7,713.29-10,638.85-5,324.18

Finding the Fourth Proportional to 7,713.29, 10,638.85 and 5,324.18

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Solution

The fourth proportional to 7,713.29, 10,638.85 and 5,324.18 is: 7,343.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,713.29 : 10,638.85 = 5,324.18 : x
  2. Step 2: Convert to fraction form
    7,713.29/10,638.85 = 5,324.18/x
  3. Step 3: Cross multiply
    7,713.29x = 10,638.85 × 5,324.18
  4. Step 4: Simplify right side
    7,713.29x = 56,643,152.39
  5. Step 5: Solve for x
    x = 56,643,152.39/7,713.29
  6. Step 6: Final answer
    x = 7,343.58

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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.