Home / 8,929.28-12,322.40-4,950.38

Finding the Fourth Proportional to 8,929.28, 12,322.40 and 4,950.38

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Solution

The fourth proportional to 8,929.28, 12,322.40 and 4,950.38 is: 6,831.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929.28 : 12,322.40 = 4,950.38 : x
  2. Step 2: Convert to fraction form
    8,929.28/12,322.40 = 4,950.38/x
  3. Step 3: Cross multiply
    8,929.28x = 12,322.40 × 4,950.38
  4. Step 4: Simplify right side
    8,929.28x = 61,000,562.51
  5. Step 5: Solve for x
    x = 61,000,562.51/8,929.28
  6. Step 6: Final answer
    x = 6,831.52

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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.