Home / 8,838.80-12,197.30-4,805.50

Finding the Fourth Proportional to 8,838.80, 12,197.30 and 4,805.50

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Solution

The fourth proportional to 8,838.80, 12,197.30 and 4,805.50 is: 6,631.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,838.80 : 12,197.30 = 4,805.50 : x
  2. Step 2: Convert to fraction form
    8,838.80/12,197.30 = 4,805.50/x
  3. Step 3: Cross multiply
    8,838.80x = 12,197.30 × 4,805.50
  4. Step 4: Simplify right side
    8,838.80x = 58,614,125.15
  5. Step 5: Solve for x
    x = 58,614,125.15/8,838.80
  6. Step 6: Final answer
    x = 6,631.46

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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.