Home / 8,916.40-12,304.44-4,937.50

Finding the Fourth Proportional to 8,916.40, 12,304.44 and 4,937.50

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Solution

The fourth proportional to 8,916.40, 12,304.44 and 4,937.50 is: 6,813.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,916.40 : 12,304.44 = 4,937.50 : x
  2. Step 2: Convert to fraction form
    8,916.40/12,304.44 = 4,937.50/x
  3. Step 3: Cross multiply
    8,916.40x = 12,304.44 × 4,937.50
  4. Step 4: Simplify right side
    8,916.40x = 60,753,172.50
  5. Step 5: Solve for x
    x = 60,753,172.50/8,916.40
  6. Step 6: Final answer
    x = 6,813.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.