Home / 5,272.60-7,899.30-4,293.40

Finding the Fourth Proportional to 5,272.60, 7,899.30 and 4,293.40

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Solution

The fourth proportional to 5,272.60, 7,899.30 and 4,293.40 is: 6,432.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.60 : 7,899.30 = 4,293.40 : x
  2. Step 2: Convert to fraction form
    5,272.60/7,899.30 = 4,293.40/x
  3. Step 3: Cross multiply
    5,272.60x = 7,899.30 × 4,293.40
  4. Step 4: Simplify right side
    5,272.60x = 33,914,854.62
  5. Step 5: Solve for x
    x = 33,914,854.62/5,272.60
  6. Step 6: Final answer
    x = 6,432.28

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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.