Home / 7,439.30-10,265.37-4,454.72

Finding the Fourth Proportional to 7,439.30, 10,265.37 and 4,454.72

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Solution

The fourth proportional to 7,439.30, 10,265.37 and 4,454.72 is: 6,147.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.30 : 10,265.37 = 4,454.72 : x
  2. Step 2: Convert to fraction form
    7,439.30/10,265.37 = 4,454.72/x
  3. Step 3: Cross multiply
    7,439.30x = 10,265.37 × 4,454.72
  4. Step 4: Simplify right side
    7,439.30x = 45,729,349.05
  5. Step 5: Solve for x
    x = 45,729,349.05/7,439.30
  6. Step 6: Final answer
    x = 6,147.00

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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.