Home / 8,417.74-12,625.39-2,572.78

Finding the Fourth Proportional to 8,417.74, 12,625.39 and 2,572.78

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Solution

The fourth proportional to 8,417.74, 12,625.39 and 2,572.78 is: 3,858.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,417.74 : 12,625.39 = 2,572.78 : x
  2. Step 2: Convert to fraction form
    8,417.74/12,625.39 = 2,572.78/x
  3. Step 3: Cross multiply
    8,417.74x = 12,625.39 × 2,572.78
  4. Step 4: Simplify right side
    8,417.74x = 32,482,274.89
  5. Step 5: Solve for x
    x = 32,482,274.89/8,417.74
  6. Step 6: Final answer
    x = 3,858.79

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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.