Home / 7,125.20-9,829.32-5,024.72

Finding the Fourth Proportional to 7,125.20, 9,829.32 and 5,024.72

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Solution

The fourth proportional to 7,125.20, 9,829.32 and 5,024.72 is: 6,931.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,125.20 : 9,829.32 = 5,024.72 : x
  2. Step 2: Convert to fraction form
    7,125.20/9,829.32 = 5,024.72/x
  3. Step 3: Cross multiply
    7,125.20x = 9,829.32 × 5,024.72
  4. Step 4: Simplify right side
    7,125.20x = 49,389,580.79
  5. Step 5: Solve for x
    x = 49,389,580.79/7,125.20
  6. Step 6: Final answer
    x = 6,931.68

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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.