Home / 7,454.91-11,178.70-4,167.12

Finding the Fourth Proportional to 7,454.91, 11,178.70 and 4,167.12

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Solution

The fourth proportional to 7,454.91, 11,178.70 and 4,167.12 is: 6,248.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.91 : 11,178.70 = 4,167.12 : x
  2. Step 2: Convert to fraction form
    7,454.91/11,178.70 = 4,167.12/x
  3. Step 3: Cross multiply
    7,454.91x = 11,178.70 × 4,167.12
  4. Step 4: Simplify right side
    7,454.91x = 46,582,984.34
  5. Step 5: Solve for x
    x = 46,582,984.34/7,454.91
  6. Step 6: Final answer
    x = 6,248.63

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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.