Home / 5,439.12-7,501.92-4,729.44

Finding the Fourth Proportional to 5,439.12, 7,501.92 and 4,729.44

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Solution

The fourth proportional to 5,439.12, 7,501.92 and 4,729.44 is: 6,523.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.12 : 7,501.92 = 4,729.44 : x
  2. Step 2: Convert to fraction form
    5,439.12/7,501.92 = 4,729.44/x
  3. Step 3: Cross multiply
    5,439.12x = 7,501.92 × 4,729.44
  4. Step 4: Simplify right side
    5,439.12x = 35,479,880.52
  5. Step 5: Solve for x
    x = 35,479,880.52/5,439.12
  6. Step 6: Final answer
    x = 6,523.09

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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.