Home / 8,155.04-11,253.92-4,428.96

Finding the Fourth Proportional to 8,155.04, 11,253.92 and 4,428.96

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Solution

The fourth proportional to 8,155.04, 11,253.92 and 4,428.96 is: 6,111.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155.04 : 11,253.92 = 4,428.96 : x
  2. Step 2: Convert to fraction form
    8,155.04/11,253.92 = 4,428.96/x
  3. Step 3: Cross multiply
    8,155.04x = 11,253.92 × 4,428.96
  4. Step 4: Simplify right side
    8,155.04x = 49,843,161.52
  5. Step 5: Solve for x
    x = 49,843,161.52/8,155.04
  6. Step 6: Final answer
    x = 6,111.95

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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.