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Finding the Fourth Proportional to 6,306.80, 9,463.80 and 4,360.40

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Solution

The fourth proportional to 6,306.80, 9,463.80 and 4,360.40 is: 6,543.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,306.80 : 9,463.80 = 4,360.40 : x
  2. Step 2: Convert to fraction form
    6,306.80/9,463.80 = 4,360.40/x
  3. Step 3: Cross multiply
    6,306.80x = 9,463.80 × 4,360.40
  4. Step 4: Simplify right side
    6,306.80x = 41,265,953.52
  5. Step 5: Solve for x
    x = 41,265,953.52/6,306.80
  6. Step 6: Final answer
    x = 6,543.09

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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.