Home / 7,116.90-10,667.24-4,449.72

Finding the Fourth Proportional to 7,116.90, 10,667.24 and 4,449.72

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Solution

The fourth proportional to 7,116.90, 10,667.24 and 4,449.72 is: 6,669.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,116.90 : 10,667.24 = 4,449.72 : x
  2. Step 2: Convert to fraction form
    7,116.90/10,667.24 = 4,449.72/x
  3. Step 3: Cross multiply
    7,116.90x = 10,667.24 × 4,449.72
  4. Step 4: Simplify right side
    7,116.90x = 47,466,242.30
  5. Step 5: Solve for x
    x = 47,466,242.30/7,116.90
  6. Step 6: Final answer
    x = 6,669.51

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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.