Home / 5,220.32-7,203.88-2,862.42

Finding the Fourth Proportional to 5,220.32, 7,203.88 and 2,862.42

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Solution

The fourth proportional to 5,220.32, 7,203.88 and 2,862.42 is: 3,950.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.32 : 7,203.88 = 2,862.42 : x
  2. Step 2: Convert to fraction form
    5,220.32/7,203.88 = 2,862.42/x
  3. Step 3: Cross multiply
    5,220.32x = 7,203.88 × 2,862.42
  4. Step 4: Simplify right side
    5,220.32x = 20,620,530.19
  5. Step 5: Solve for x
    x = 20,620,530.19/5,220.32
  6. Step 6: Final answer
    x = 3,950.05

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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.