Home / 7,711.47-11,573.15-3,330.45

Finding the Fourth Proportional to 7,711.47, 11,573.15 and 3,330.45

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Solution

The fourth proportional to 7,711.47, 11,573.15 and 3,330.45 is: 4,998.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,711.47 : 11,573.15 = 3,330.45 : x
  2. Step 2: Convert to fraction form
    7,711.47/11,573.15 = 3,330.45/x
  3. Step 3: Cross multiply
    7,711.47x = 11,573.15 × 3,330.45
  4. Step 4: Simplify right side
    7,711.47x = 38,543,780.77
  5. Step 5: Solve for x
    x = 38,543,780.77/7,711.47
  6. Step 6: Final answer
    x = 4,998.24

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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.