Home / 8,975.57-12,385.98-4,996.85

Finding the Fourth Proportional to 8,975.57, 12,385.98 and 4,996.85

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Solution

The fourth proportional to 8,975.57, 12,385.98 and 4,996.85 is: 6,895.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,975.57 : 12,385.98 = 4,996.85 : x
  2. Step 2: Convert to fraction form
    8,975.57/12,385.98 = 4,996.85/x
  3. Step 3: Cross multiply
    8,975.57x = 12,385.98 × 4,996.85
  4. Step 4: Simplify right side
    8,975.57x = 61,890,822.23
  5. Step 5: Solve for x
    x = 61,890,822.23/8,975.57
  6. Step 6: Final answer
    x = 6,895.48

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1.5x scale

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.