Home / 5,225.83-7,211.53-2,987.83

Finding the Fourth Proportional to 5,225.83, 7,211.53 and 2,987.83

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Solution

The fourth proportional to 5,225.83, 7,211.53 and 2,987.83 is: 4,123.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.83 : 7,211.53 = 2,987.83 : x
  2. Step 2: Convert to fraction form
    5,225.83/7,211.53 = 2,987.83/x
  3. Step 3: Cross multiply
    5,225.83x = 7,211.53 × 2,987.83
  4. Step 4: Simplify right side
    5,225.83x = 21,546,825.68
  5. Step 5: Solve for x
    x = 21,546,825.68/5,225.83
  6. Step 6: Final answer
    x = 4,123.14

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1.5x scale

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.