Home / 6,925.29-10,389.35-2,542.78

Finding the Fourth Proportional to 6,925.29, 10,389.35 and 2,542.78

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Solution

The fourth proportional to 6,925.29, 10,389.35 and 2,542.78 is: 3,814.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,925.29 : 10,389.35 = 2,542.78 : x
  2. Step 2: Convert to fraction form
    6,925.29/10,389.35 = 2,542.78/x
  3. Step 3: Cross multiply
    6,925.29x = 10,389.35 × 2,542.78
  4. Step 4: Simplify right side
    6,925.29x = 26,417,831.39
  5. Step 5: Solve for x
    x = 26,417,831.39/6,925.29
  6. Step 6: Final answer
    x = 3,814.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.