Home / 8,240.60-12,364.74-2,977.76

Finding the Fourth Proportional to 8,240.60, 12,364.74 and 2,977.76

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Solution

The fourth proportional to 8,240.60, 12,364.74 and 2,977.76 is: 4,468.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240.60 : 12,364.74 = 2,977.76 : x
  2. Step 2: Convert to fraction form
    8,240.60/12,364.74 = 2,977.76/x
  3. Step 3: Cross multiply
    8,240.60x = 12,364.74 × 2,977.76
  4. Step 4: Simplify right side
    8,240.60x = 36,819,166.36
  5. Step 5: Solve for x
    x = 36,819,166.36/8,240.60
  6. Step 6: Final answer
    x = 4,468.02

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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.