Home / 4,713.20-7,069.80-4,202.90

Finding the Fourth Proportional to 4,713.20, 7,069.80 and 4,202.90

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Solution

The fourth proportional to 4,713.20, 7,069.80 and 4,202.90 is: 6,304.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,713.20 : 7,069.80 = 4,202.90 : x
  2. Step 2: Convert to fraction form
    4,713.20/7,069.80 = 4,202.90/x
  3. Step 3: Cross multiply
    4,713.20x = 7,069.80 × 4,202.90
  4. Step 4: Simplify right side
    4,713.20x = 29,713,662.42
  5. Step 5: Solve for x
    x = 29,713,662.42/4,713.20
  6. Step 6: Final answer
    x = 6,304.35

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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.