Home / 6,656.64-9,985.92-2,040

Finding the Fourth Proportional to 6,656.64, 9,985.92 and 2,040

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Solution

The fourth proportional to 6,656.64, 9,985.92 and 2,040 is: 3,060.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,656.64 : 9,985.92 = 2,040 : x
  2. Step 2: Convert to fraction form
    6,656.64/9,985.92 = 2,040/x
  3. Step 3: Cross multiply
    6,656.64x = 9,985.92 × 2,040
  4. Step 4: Simplify right side
    6,656.64x = 20,371,276.80
  5. Step 5: Solve for x
    x = 20,371,276.80/6,656.64
  6. Step 6: Final answer
    x = 3,060.29

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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.