Home / 7,154.60-10,732.70-2,224.20

Finding the Fourth Proportional to 7,154.60, 10,732.70 and 2,224.20

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Solution

The fourth proportional to 7,154.60, 10,732.70 and 2,224.20 is: 3,336.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154.60 : 10,732.70 = 2,224.20 : x
  2. Step 2: Convert to fraction form
    7,154.60/10,732.70 = 2,224.20/x
  3. Step 3: Cross multiply
    7,154.60x = 10,732.70 × 2,224.20
  4. Step 4: Simplify right side
    7,154.60x = 23,871,671.34
  5. Step 5: Solve for x
    x = 23,871,671.34/7,154.60
  6. Step 6: Final answer
    x = 3,336.55

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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.