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Finding the Fourth Proportional to 6,657.08, 9,985.46 and 1,726.70

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Solution

The fourth proportional to 6,657.08, 9,985.46 and 1,726.70 is: 2,590.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,657.08 : 9,985.46 = 1,726.70 : x
  2. Step 2: Convert to fraction form
    6,657.08/9,985.46 = 1,726.70/x
  3. Step 3: Cross multiply
    6,657.08x = 9,985.46 × 1,726.70
  4. Step 4: Simplify right side
    6,657.08x = 17,241,893.78
  5. Step 5: Solve for x
    x = 17,241,893.78/6,657.08
  6. Step 6: Final answer
    x = 2,590.01

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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.