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Finding the Fourth Proportional to 6,160.32, 9,240.48 and 1,543.32

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Solution

The fourth proportional to 6,160.32, 9,240.48 and 1,543.32 is: 2,314.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,160.32 : 9,240.48 = 1,543.32 : x
  2. Step 2: Convert to fraction form
    6,160.32/9,240.48 = 1,543.32/x
  3. Step 3: Cross multiply
    6,160.32x = 9,240.48 × 1,543.32
  4. Step 4: Simplify right side
    6,160.32x = 14,261,017.59
  5. Step 5: Solve for x
    x = 14,261,017.59/6,160.32
  6. Step 6: Final answer
    x = 2,314.98

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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.