Home / 9,225.52-12,731.60-5,247.32

Finding the Fourth Proportional to 9,225.52, 12,731.60 and 5,247.32

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Solution

The fourth proportional to 9,225.52, 12,731.60 and 5,247.32 is: 7,241.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,225.52 : 12,731.60 = 5,247.32 : x
  2. Step 2: Convert to fraction form
    9,225.52/12,731.60 = 5,247.32/x
  3. Step 3: Cross multiply
    9,225.52x = 12,731.60 × 5,247.32
  4. Step 4: Simplify right side
    9,225.52x = 66,806,779.31
  5. Step 5: Solve for x
    x = 66,806,779.31/9,225.52
  6. Step 6: Final answer
    x = 7,241.52

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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.