Home / 8,446.20-11,656.50-4,909.35

Finding the Fourth Proportional to 8,446.20, 11,656.50 and 4,909.35

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Solution

The fourth proportional to 8,446.20, 11,656.50 and 4,909.35 is: 6,775.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,446.20 : 11,656.50 = 4,909.35 : x
  2. Step 2: Convert to fraction form
    8,446.20/11,656.50 = 4,909.35/x
  3. Step 3: Cross multiply
    8,446.20x = 11,656.50 × 4,909.35
  4. Step 4: Simplify right side
    8,446.20x = 57,225,838.28
  5. Step 5: Solve for x
    x = 57,225,838.28/8,446.20
  6. Step 6: Final answer
    x = 6,775.34

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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.