Home / 5,909.80-8,856.60-4,816.30

Finding the Fourth Proportional to 5,909.80, 8,856.60 and 4,816.30

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Solution

The fourth proportional to 5,909.80, 8,856.60 and 4,816.30 is: 7,217.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909.80 : 8,856.60 = 4,816.30 : x
  2. Step 2: Convert to fraction form
    5,909.80/8,856.60 = 4,816.30/x
  3. Step 3: Cross multiply
    5,909.80x = 8,856.60 × 4,816.30
  4. Step 4: Simplify right side
    5,909.80x = 42,656,042.58
  5. Step 5: Solve for x
    x = 42,656,042.58/5,909.80
  6. Step 6: Final answer
    x = 7,217.85

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1.5x scale

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.