Home / 5,612.46-8,419.61-2,103.67

Finding the Fourth Proportional to 5,612.46, 8,419.61 and 2,103.67

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Solution

The fourth proportional to 5,612.46, 8,419.61 and 2,103.67 is: 3,155.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.46 : 8,419.61 = 2,103.67 : x
  2. Step 2: Convert to fraction form
    5,612.46/8,419.61 = 2,103.67/x
  3. Step 3: Cross multiply
    5,612.46x = 8,419.61 × 2,103.67
  4. Step 4: Simplify right side
    5,612.46x = 17,712,080.97
  5. Step 5: Solve for x
    x = 17,712,080.97/5,612.46
  6. Step 6: Final answer
    x = 3,155.85

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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.