Home / 6,543.20-9,030.16-3,748.64

Finding the Fourth Proportional to 6,543.20, 9,030.16 and 3,748.64

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Solution

The fourth proportional to 6,543.20, 9,030.16 and 3,748.64 is: 5,173.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,543.20 : 9,030.16 = 3,748.64 : x
  2. Step 2: Convert to fraction form
    6,543.20/9,030.16 = 3,748.64/x
  3. Step 3: Cross multiply
    6,543.20x = 9,030.16 × 3,748.64
  4. Step 4: Simplify right side
    6,543.20x = 33,850,818.98
  5. Step 5: Solve for x
    x = 33,850,818.98/6,543.20
  6. Step 6: Final answer
    x = 5,173.43

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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.