Home / 8,278.16-12,417.46-2,434.95

Finding the Fourth Proportional to 8,278.16, 12,417.46 and 2,434.95

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Solution

The fourth proportional to 8,278.16, 12,417.46 and 2,434.95 is: 3,652.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278.16 : 12,417.46 = 2,434.95 : x
  2. Step 2: Convert to fraction form
    8,278.16/12,417.46 = 2,434.95/x
  3. Step 3: Cross multiply
    8,278.16x = 12,417.46 × 2,434.95
  4. Step 4: Simplify right side
    8,278.16x = 30,235,888.14
  5. Step 5: Solve for x
    x = 30,235,888.14/8,278.16
  6. Step 6: Final answer
    x = 3,652.49

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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.