Home / 5,315.45-7,975.19-2,393.08

Finding the Fourth Proportional to 5,315.45, 7,975.19 and 2,393.08

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Solution

The fourth proportional to 5,315.45, 7,975.19 and 2,393.08 is: 3,590.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.45 : 7,975.19 = 2,393.08 : x
  2. Step 2: Convert to fraction form
    5,315.45/7,975.19 = 2,393.08/x
  3. Step 3: Cross multiply
    5,315.45x = 7,975.19 × 2,393.08
  4. Step 4: Simplify right side
    5,315.45x = 19,085,253.73
  5. Step 5: Solve for x
    x = 19,085,253.73/5,315.45
  6. Step 6: Final answer
    x = 3,590.53

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Similar ratio
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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.