Home / 7,557.76-10,439.04-5,458.56

Finding the Fourth Proportional to 7,557.76, 10,439.04 and 5,458.56

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Solution

The fourth proportional to 7,557.76, 10,439.04 and 5,458.56 is: 7,539.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.76 : 10,439.04 = 5,458.56 : x
  2. Step 2: Convert to fraction form
    7,557.76/10,439.04 = 5,458.56/x
  3. Step 3: Cross multiply
    7,557.76x = 10,439.04 × 5,458.56
  4. Step 4: Simplify right side
    7,557.76x = 56,982,126.18
  5. Step 5: Solve for x
    x = 56,982,126.18/7,557.76
  6. Step 6: Final answer
    x = 7,539.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.