Home / 5,672.60-8,514.30-2,902.40

Finding the Fourth Proportional to 5,672.60, 8,514.30 and 2,902.40

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Solution

The fourth proportional to 5,672.60, 8,514.30 and 2,902.40 is: 4,356.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,672.60 : 8,514.30 = 2,902.40 : x
  2. Step 2: Convert to fraction form
    5,672.60/8,514.30 = 2,902.40/x
  3. Step 3: Cross multiply
    5,672.60x = 8,514.30 × 2,902.40
  4. Step 4: Simplify right side
    5,672.60x = 24,711,904.32
  5. Step 5: Solve for x
    x = 24,711,904.32/5,672.60
  6. Step 6: Final answer
    x = 4,356.36

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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.