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Finding the Fourth Proportional to 6,995.68, 9,651.28 and 4,010.88

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Solution

The fourth proportional to 6,995.68, 9,651.28 and 4,010.88 is: 5,533.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,995.68 : 9,651.28 = 4,010.88 : x
  2. Step 2: Convert to fraction form
    6,995.68/9,651.28 = 4,010.88/x
  3. Step 3: Cross multiply
    6,995.68x = 9,651.28 × 4,010.88
  4. Step 4: Simplify right side
    6,995.68x = 38,710,125.93
  5. Step 5: Solve for x
    x = 38,710,125.93/6,995.68
  6. Step 6: Final answer
    x = 5,533.43

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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.