Home / 8,800.48-12,145-4,821.76

Finding the Fourth Proportional to 8,800.48, 12,145 and 4,821.76

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Solution

The fourth proportional to 8,800.48, 12,145 and 4,821.76 is: 6,654.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,800.48 : 12,145 = 4,821.76 : x
  2. Step 2: Convert to fraction form
    8,800.48/12,145 = 4,821.76/x
  3. Step 3: Cross multiply
    8,800.48x = 12,145 × 4,821.76
  4. Step 4: Simplify right side
    8,800.48x = 58,560,275.20
  5. Step 5: Solve for x
    x = 58,560,275.20/8,800.48
  6. Step 6: Final answer
    x = 6,654.21

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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.