Home / 5,267.28-7,903.20-2,149.50

Finding the Fourth Proportional to 5,267.28, 7,903.20 and 2,149.50

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Solution

The fourth proportional to 5,267.28, 7,903.20 and 2,149.50 is: 3,225.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,267.28 : 7,903.20 = 2,149.50 : x
  2. Step 2: Convert to fraction form
    5,267.28/7,903.20 = 2,149.50/x
  3. Step 3: Cross multiply
    5,267.28x = 7,903.20 × 2,149.50
  4. Step 4: Simplify right side
    5,267.28x = 16,987,928.40
  5. Step 5: Solve for x
    x = 16,987,928.40/5,267.28
  6. Step 6: Final answer
    x = 3,225.18

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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.