Home / 7,479.08-11,219.15-1,932.47

Finding the Fourth Proportional to 7,479.08, 11,219.15 and 1,932.47

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Solution

The fourth proportional to 7,479.08, 11,219.15 and 1,932.47 is: 2,898.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479.08 : 11,219.15 = 1,932.47 : x
  2. Step 2: Convert to fraction form
    7,479.08/11,219.15 = 1,932.47/x
  3. Step 3: Cross multiply
    7,479.08x = 11,219.15 × 1,932.47
  4. Step 4: Simplify right side
    7,479.08x = 21,680,614.70
  5. Step 5: Solve for x
    x = 21,680,614.70/7,479.08
  6. Step 6: Final answer
    x = 2,898.84

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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.