Home / 7,512.66-11,278.71-4,744.89

Finding the Fourth Proportional to 7,512.66, 11,278.71 and 4,744.89

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Solution

The fourth proportional to 7,512.66, 11,278.71 and 4,744.89 is: 7,123.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,512.66 : 11,278.71 = 4,744.89 : x
  2. Step 2: Convert to fraction form
    7,512.66/11,278.71 = 4,744.89/x
  3. Step 3: Cross multiply
    7,512.66x = 11,278.71 × 4,744.89
  4. Step 4: Simplify right side
    7,512.66x = 53,516,238.29
  5. Step 5: Solve for x
    x = 53,516,238.29/7,512.66
  6. Step 6: Final answer
    x = 7,123.47

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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.