Home / 5,230.87-7,217.55-3,106.03

Finding the Fourth Proportional to 5,230.87, 7,217.55 and 3,106.03

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Solution

The fourth proportional to 5,230.87, 7,217.55 and 3,106.03 is: 4,285.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230.87 : 7,217.55 = 3,106.03 : x
  2. Step 2: Convert to fraction form
    5,230.87/7,217.55 = 3,106.03/x
  3. Step 3: Cross multiply
    5,230.87x = 7,217.55 × 3,106.03
  4. Step 4: Simplify right side
    5,230.87x = 22,417,926.83
  5. Step 5: Solve for x
    x = 22,417,926.83/5,230.87
  6. Step 6: Final answer
    x = 4,285.70

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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.