Home / 8,854.96-12,219.54-4,875.88

Finding the Fourth Proportional to 8,854.96, 12,219.54 and 4,875.88

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Solution

The fourth proportional to 8,854.96, 12,219.54 and 4,875.88 is: 6,728.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,854.96 : 12,219.54 = 4,875.88 : x
  2. Step 2: Convert to fraction form
    8,854.96/12,219.54 = 4,875.88/x
  3. Step 3: Cross multiply
    8,854.96x = 12,219.54 × 4,875.88
  4. Step 4: Simplify right side
    8,854.96x = 59,581,010.70
  5. Step 5: Solve for x
    x = 59,581,010.70/8,854.96
  6. Step 6: Final answer
    x = 6,728.55

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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.