Home / 7,625.80-11,436.85-2,079.17

Finding the Fourth Proportional to 7,625.80, 11,436.85 and 2,079.17

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Solution

The fourth proportional to 7,625.80, 11,436.85 and 2,079.17 is: 3,118.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,625.80 : 11,436.85 = 2,079.17 : x
  2. Step 2: Convert to fraction form
    7,625.80/11,436.85 = 2,079.17/x
  3. Step 3: Cross multiply
    7,625.80x = 11,436.85 × 2,079.17
  4. Step 4: Simplify right side
    7,625.80x = 23,779,155.41
  5. Step 5: Solve for x
    x = 23,779,155.41/7,625.80
  6. Step 6: Final answer
    x = 3,118.25

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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.