Home / 8,426.20-11,624.90-4,888.76

Finding the Fourth Proportional to 8,426.20, 11,624.90 and 4,888.76

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Solution

The fourth proportional to 8,426.20, 11,624.90 and 4,888.76 is: 6,744.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,426.20 : 11,624.90 = 4,888.76 : x
  2. Step 2: Convert to fraction form
    8,426.20/11,624.90 = 4,888.76/x
  3. Step 3: Cross multiply
    8,426.20x = 11,624.90 × 4,888.76
  4. Step 4: Simplify right side
    8,426.20x = 56,831,346.12
  5. Step 5: Solve for x
    x = 56,831,346.12/8,426.20
  6. Step 6: Final answer
    x = 6,744.60

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Half scale
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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.