Home / 4,967.22-7,445.64-1,679.20

Finding the Fourth Proportional to 4,967.22, 7,445.64 and 1,679.20

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Solution

The fourth proportional to 4,967.22, 7,445.64 and 1,679.20 is: 2,517.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,967.22 : 7,445.64 = 1,679.20 : x
  2. Step 2: Convert to fraction form
    4,967.22/7,445.64 = 1,679.20/x
  3. Step 3: Cross multiply
    4,967.22x = 7,445.64 × 1,679.20
  4. Step 4: Simplify right side
    4,967.22x = 12,502,718.69
  5. Step 5: Solve for x
    x = 12,502,718.69/4,967.22
  6. Step 6: Final answer
    x = 2,517.05

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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.