Home / 8,722.50-12,038.70-4,996.50

Finding the Fourth Proportional to 8,722.50, 12,038.70 and 4,996.50

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Solution

The fourth proportional to 8,722.50, 12,038.70 and 4,996.50 is: 6,896.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.50 : 12,038.70 = 4,996.50 : x
  2. Step 2: Convert to fraction form
    8,722.50/12,038.70 = 4,996.50/x
  3. Step 3: Cross multiply
    8,722.50x = 12,038.70 × 4,996.50
  4. Step 4: Simplify right side
    8,722.50x = 60,151,364.55
  5. Step 5: Solve for x
    x = 60,151,364.55/8,722.50
  6. Step 6: Final answer
    x = 6,896.12

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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.