Home / 7,419.87-11,132.14-4,461.55

Finding the Fourth Proportional to 7,419.87, 11,132.14 and 4,461.55

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Solution

The fourth proportional to 7,419.87, 11,132.14 and 4,461.55 is: 6,693.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.87 : 11,132.14 = 4,461.55 : x
  2. Step 2: Convert to fraction form
    7,419.87/11,132.14 = 4,461.55/x
  3. Step 3: Cross multiply
    7,419.87x = 11,132.14 × 4,461.55
  4. Step 4: Simplify right side
    7,419.87x = 49,666,618.71
  5. Step 5: Solve for x
    x = 49,666,618.71/7,419.87
  6. Step 6: Final answer
    x = 6,693.73

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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.