Home / 8,569.18-12,839.10-4,676.32

Finding the Fourth Proportional to 8,569.18, 12,839.10 and 4,676.32

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Solution

The fourth proportional to 8,569.18, 12,839.10 and 4,676.32 is: 7,006.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,569.18 : 12,839.10 = 4,676.32 : x
  2. Step 2: Convert to fraction form
    8,569.18/12,839.10 = 4,676.32/x
  3. Step 3: Cross multiply
    8,569.18x = 12,839.10 × 4,676.32
  4. Step 4: Simplify right side
    8,569.18x = 60,039,740.11
  5. Step 5: Solve for x
    x = 60,039,740.11/8,569.18
  6. Step 6: Final answer
    x = 7,006.47

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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.