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Finding the Fourth Proportional to 4,363.12, 6,543.24 and 1,440.64

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Solution

The fourth proportional to 4,363.12, 6,543.24 and 1,440.64 is: 2,160.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,363.12 : 6,543.24 = 1,440.64 : x
  2. Step 2: Convert to fraction form
    4,363.12/6,543.24 = 1,440.64/x
  3. Step 3: Cross multiply
    4,363.12x = 6,543.24 × 1,440.64
  4. Step 4: Simplify right side
    4,363.12x = 9,426,453.27
  5. Step 5: Solve for x
    x = 9,426,453.27/4,363.12
  6. Step 6: Final answer
    x = 2,160.48

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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.