Home / 5,278.08-7,909.44-2,957.76

Finding the Fourth Proportional to 5,278.08, 7,909.44 and 2,957.76

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Solution

The fourth proportional to 5,278.08, 7,909.44 and 2,957.76 is: 4,432.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,278.08 : 7,909.44 = 2,957.76 : x
  2. Step 2: Convert to fraction form
    5,278.08/7,909.44 = 2,957.76/x
  3. Step 3: Cross multiply
    5,278.08x = 7,909.44 × 2,957.76
  4. Step 4: Simplify right side
    5,278.08x = 23,394,225.25
  5. Step 5: Solve for x
    x = 23,394,225.25/5,278.08
  6. Step 6: Final answer
    x = 4,432.34

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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.