Home / 8,587.14-12,875.31-3,322.14

Finding the Fourth Proportional to 8,587.14, 12,875.31 and 3,322.14

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Solution

The fourth proportional to 8,587.14, 12,875.31 and 3,322.14 is: 4,981.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,587.14 : 12,875.31 = 3,322.14 : x
  2. Step 2: Convert to fraction form
    8,587.14/12,875.31 = 3,322.14/x
  3. Step 3: Cross multiply
    8,587.14x = 12,875.31 × 3,322.14
  4. Step 4: Simplify right side
    8,587.14x = 42,773,582.36
  5. Step 5: Solve for x
    x = 42,773,582.36/8,587.14
  6. Step 6: Final answer
    x = 4,981.12

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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.