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Finding the Fourth Proportional to 6,490.08, 8,953.20 and 4,250.97

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Solution

The fourth proportional to 6,490.08, 8,953.20 and 4,250.97 is: 5,864.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,490.08 : 8,953.20 = 4,250.97 : x
  2. Step 2: Convert to fraction form
    6,490.08/8,953.20 = 4,250.97/x
  3. Step 3: Cross multiply
    6,490.08x = 8,953.20 × 4,250.97
  4. Step 4: Simplify right side
    6,490.08x = 38,059,784.60
  5. Step 5: Solve for x
    x = 38,059,784.60/6,490.08
  6. Step 6: Final answer
    x = 5,864.30

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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.