Home / 8,677.22-13,011.90-2,752.40

Finding the Fourth Proportional to 8,677.22, 13,011.90 and 2,752.40

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Solution

The fourth proportional to 8,677.22, 13,011.90 and 2,752.40 is: 4,127.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,677.22 : 13,011.90 = 2,752.40 : x
  2. Step 2: Convert to fraction form
    8,677.22/13,011.90 = 2,752.40/x
  3. Step 3: Cross multiply
    8,677.22x = 13,011.90 × 2,752.40
  4. Step 4: Simplify right side
    8,677.22x = 35,813,888.50
  5. Step 5: Solve for x
    x = 35,813,888.50/8,677.22
  6. Step 6: Final answer
    x = 4,127.35

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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.