Home / 6,664.47-9,981.15-5,268.43

Finding the Fourth Proportional to 6,664.47, 9,981.15 and 5,268.43

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Solution

The fourth proportional to 6,664.47, 9,981.15 and 5,268.43 is: 7,890.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.47 : 9,981.15 = 5,268.43 : x
  2. Step 2: Convert to fraction form
    6,664.47/9,981.15 = 5,268.43/x
  3. Step 3: Cross multiply
    6,664.47x = 9,981.15 × 5,268.43
  4. Step 4: Simplify right side
    6,664.47x = 52,584,990.09
  5. Step 5: Solve for x
    x = 52,584,990.09/6,664.47
  6. Step 6: Final answer
    x = 7,890.35

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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.