Home / 6,866.30-9,475.40-3,722.42

Finding the Fourth Proportional to 6,866.30, 9,475.40 and 3,722.42

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Solution

The fourth proportional to 6,866.30, 9,475.40 and 3,722.42 is: 5,136.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,866.30 : 9,475.40 = 3,722.42 : x
  2. Step 2: Convert to fraction form
    6,866.30/9,475.40 = 3,722.42/x
  3. Step 3: Cross multiply
    6,866.30x = 9,475.40 × 3,722.42
  4. Step 4: Simplify right side
    6,866.30x = 35,271,352.48
  5. Step 5: Solve for x
    x = 35,271,352.48/6,866.30
  6. Step 6: Final answer
    x = 5,136.88

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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.