Home / 6,948.50-9,588.70-4,115.89

Finding the Fourth Proportional to 6,948.50, 9,588.70 and 4,115.89

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Solution

The fourth proportional to 6,948.50, 9,588.70 and 4,115.89 is: 5,679.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,948.50 : 9,588.70 = 4,115.89 : x
  2. Step 2: Convert to fraction form
    6,948.50/9,588.70 = 4,115.89/x
  3. Step 3: Cross multiply
    6,948.50x = 9,588.70 × 4,115.89
  4. Step 4: Simplify right side
    6,948.50x = 39,466,036.18
  5. Step 5: Solve for x
    x = 39,466,036.18/6,948.50
  6. Step 6: Final answer
    x = 5,679.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.