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Finding the Fourth Proportional to 6,375.79, 9,563.06 and 1,695.91

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Solution

The fourth proportional to 6,375.79, 9,563.06 and 1,695.91 is: 2,543.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,375.79 : 9,563.06 = 1,695.91 : x
  2. Step 2: Convert to fraction form
    6,375.79/9,563.06 = 1,695.91/x
  3. Step 3: Cross multiply
    6,375.79x = 9,563.06 × 1,695.91
  4. Step 4: Simplify right side
    6,375.79x = 16,218,089.08
  5. Step 5: Solve for x
    x = 16,218,089.08/6,375.79
  6. Step 6: Final answer
    x = 2,543.70

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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.