Home / 9,149.08-12,625.06-5,372.40

Finding the Fourth Proportional to 9,149.08, 12,625.06 and 5,372.40

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Solution

The fourth proportional to 9,149.08, 12,625.06 and 5,372.40 is: 7,413.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,149.08 : 12,625.06 = 5,372.40 : x
  2. Step 2: Convert to fraction form
    9,149.08/12,625.06 = 5,372.40/x
  3. Step 3: Cross multiply
    9,149.08x = 12,625.06 × 5,372.40
  4. Step 4: Simplify right side
    9,149.08x = 67,826,872.34
  5. Step 5: Solve for x
    x = 67,826,872.34/9,149.08
  6. Step 6: Final answer
    x = 7,413.52

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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.