Home / 8,151.13-11,248.55-4,425.13

Finding the Fourth Proportional to 8,151.13, 11,248.55 and 4,425.13

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Solution

The fourth proportional to 8,151.13, 11,248.55 and 4,425.13 is: 6,106.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.13 : 11,248.55 = 4,425.13 : x
  2. Step 2: Convert to fraction form
    8,151.13/11,248.55 = 4,425.13/x
  3. Step 3: Cross multiply
    8,151.13x = 11,248.55 × 4,425.13
  4. Step 4: Simplify right side
    8,151.13x = 49,776,296.06
  5. Step 5: Solve for x
    x = 49,776,296.06/8,151.13
  6. Step 6: Final answer
    x = 6,106.67

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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.