Home / 9,060.80-13,600.32-5,366.72

Finding the Fourth Proportional to 9,060.80, 13,600.32 and 5,366.72

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Solution

The fourth proportional to 9,060.80, 13,600.32 and 5,366.72 is: 8,055.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,060.80 : 13,600.32 = 5,366.72 : x
  2. Step 2: Convert to fraction form
    9,060.80/13,600.32 = 5,366.72/x
  3. Step 3: Cross multiply
    9,060.80x = 13,600.32 × 5,366.72
  4. Step 4: Simplify right side
    9,060.80x = 72,989,109.35
  5. Step 5: Solve for x
    x = 72,989,109.35/9,060.80
  6. Step 6: Final answer
    x = 8,055.48

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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.