Home / 7,679.89-11,541.53-4,560.49

Finding the Fourth Proportional to 7,679.89, 11,541.53 and 4,560.49

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Solution

The fourth proportional to 7,679.89, 11,541.53 and 4,560.49 is: 6,853.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,679.89 : 11,541.53 = 4,560.49 : x
  2. Step 2: Convert to fraction form
    7,679.89/11,541.53 = 4,560.49/x
  3. Step 3: Cross multiply
    7,679.89x = 11,541.53 × 4,560.49
  4. Step 4: Simplify right side
    7,679.89x = 52,635,032.15
  5. Step 5: Solve for x
    x = 52,635,032.15/7,679.89
  6. Step 6: Final answer
    x = 6,853.62

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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.