Home / 5,306.54-7,960.71-2,386.90

Finding the Fourth Proportional to 5,306.54, 7,960.71 and 2,386.90

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Solution

The fourth proportional to 5,306.54, 7,960.71 and 2,386.90 is: 3,580.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,306.54 : 7,960.71 = 2,386.90 : x
  2. Step 2: Convert to fraction form
    5,306.54/7,960.71 = 2,386.90/x
  3. Step 3: Cross multiply
    5,306.54x = 7,960.71 × 2,386.90
  4. Step 4: Simplify right side
    5,306.54x = 19,001,418.70
  5. Step 5: Solve for x
    x = 19,001,418.70/5,306.54
  6. Step 6: Final answer
    x = 3,580.75

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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.