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Finding the Fourth Proportional to 5,012.66, 7,527.54 and 4,178.88

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Solution

The fourth proportional to 5,012.66, 7,527.54 and 4,178.88 is: 6,275.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.66 : 7,527.54 = 4,178.88 : x
  2. Step 2: Convert to fraction form
    5,012.66/7,527.54 = 4,178.88/x
  3. Step 3: Cross multiply
    5,012.66x = 7,527.54 × 4,178.88
  4. Step 4: Simplify right side
    5,012.66x = 31,456,686.36
  5. Step 5: Solve for x
    x = 31,456,686.36/5,012.66
  6. Step 6: Final answer
    x = 6,275.45

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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.