Home / 9,780.20-14,671.18-2,760.29

Finding the Fourth Proportional to 9,780.20, 14,671.18 and 2,760.29

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Solution

The fourth proportional to 9,780.20, 14,671.18 and 2,760.29 is: 4,140.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,780.20 : 14,671.18 = 2,760.29 : x
  2. Step 2: Convert to fraction form
    9,780.20/14,671.18 = 2,760.29/x
  3. Step 3: Cross multiply
    9,780.20x = 14,671.18 × 2,760.29
  4. Step 4: Simplify right side
    9,780.20x = 40,496,719.13
  5. Step 5: Solve for x
    x = 40,496,719.13/9,780.20
  6. Step 6: Final answer
    x = 4,140.68

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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.