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Finding the Fourth Proportional to 6,388.31, 9,582.95 and 1,708.22

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Solution

The fourth proportional to 6,388.31, 9,582.95 and 1,708.22 is: 2,562.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388.31 : 9,582.95 = 1,708.22 : x
  2. Step 2: Convert to fraction form
    6,388.31/9,582.95 = 1,708.22/x
  3. Step 3: Cross multiply
    6,388.31x = 9,582.95 × 1,708.22
  4. Step 4: Simplify right side
    6,388.31x = 16,369,730.39
  5. Step 5: Solve for x
    x = 16,369,730.39/6,388.31
  6. Step 6: Final answer
    x = 2,562.45

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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.