Home / 5,225.92-7,211.80-2,868.08

Finding the Fourth Proportional to 5,225.92, 7,211.80 and 2,868.08

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Solution

The fourth proportional to 5,225.92, 7,211.80 and 2,868.08 is: 3,957.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.92 : 7,211.80 = 2,868.08 : x
  2. Step 2: Convert to fraction form
    5,225.92/7,211.80 = 2,868.08/x
  3. Step 3: Cross multiply
    5,225.92x = 7,211.80 × 2,868.08
  4. Step 4: Simplify right side
    5,225.92x = 20,684,019.34
  5. Step 5: Solve for x
    x = 20,684,019.34/5,225.92
  6. Step 6: Final answer
    x = 3,957.97

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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.