Home / 6,627.04-9,142.48-4,385.76

Finding the Fourth Proportional to 6,627.04, 9,142.48 and 4,385.76

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Solution

The fourth proportional to 6,627.04, 9,142.48 and 4,385.76 is: 6,050.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627.04 : 9,142.48 = 4,385.76 : x
  2. Step 2: Convert to fraction form
    6,627.04/9,142.48 = 4,385.76/x
  3. Step 3: Cross multiply
    6,627.04x = 9,142.48 × 4,385.76
  4. Step 4: Simplify right side
    6,627.04x = 40,096,723.08
  5. Step 5: Solve for x
    x = 40,096,723.08/6,627.04
  6. Step 6: Final answer
    x = 6,050.47

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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.