Home / 6,847.80-10,257.30-5,695.80

Finding the Fourth Proportional to 6,847.80, 10,257.30 and 5,695.80

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Solution

The fourth proportional to 6,847.80, 10,257.30 and 5,695.80 is: 8,531.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,847.80 : 10,257.30 = 5,695.80 : x
  2. Step 2: Convert to fraction form
    6,847.80/10,257.30 = 5,695.80/x
  3. Step 3: Cross multiply
    6,847.80x = 10,257.30 × 5,695.80
  4. Step 4: Simplify right side
    6,847.80x = 58,423,529.34
  5. Step 5: Solve for x
    x = 58,423,529.34/6,847.80
  6. Step 6: Final answer
    x = 8,531.72

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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.