Home / 5,219.10-7,205.13-3,549.42

Finding the Fourth Proportional to 5,219.10, 7,205.13 and 3,549.42

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Solution

The fourth proportional to 5,219.10, 7,205.13 and 3,549.42 is: 4,900.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219.10 : 7,205.13 = 3,549.42 : x
  2. Step 2: Convert to fraction form
    5,219.10/7,205.13 = 3,549.42/x
  3. Step 3: Cross multiply
    5,219.10x = 7,205.13 × 3,549.42
  4. Step 4: Simplify right side
    5,219.10x = 25,574,032.52
  5. Step 5: Solve for x
    x = 25,574,032.52/5,219.10
  6. Step 6: Final answer
    x = 4,900.08

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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.