Home / 8,385.28-12,572.40-4,692.96

Finding the Fourth Proportional to 8,385.28, 12,572.40 and 4,692.96

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Solution

The fourth proportional to 8,385.28, 12,572.40 and 4,692.96 is: 7,036.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,385.28 : 12,572.40 = 4,692.96 : x
  2. Step 2: Convert to fraction form
    8,385.28/12,572.40 = 4,692.96/x
  3. Step 3: Cross multiply
    8,385.28x = 12,572.40 × 4,692.96
  4. Step 4: Simplify right side
    8,385.28x = 59,001,770.30
  5. Step 5: Solve for x
    x = 59,001,770.30/8,385.28
  6. Step 6: Final answer
    x = 7,036.35

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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.