Home / 7,125.57-10,688.76-3,230.28

Finding the Fourth Proportional to 7,125.57, 10,688.76 and 3,230.28

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Solution

The fourth proportional to 7,125.57, 10,688.76 and 3,230.28 is: 4,845.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,125.57 : 10,688.76 = 3,230.28 : x
  2. Step 2: Convert to fraction form
    7,125.57/10,688.76 = 3,230.28/x
  3. Step 3: Cross multiply
    7,125.57x = 10,688.76 × 3,230.28
  4. Step 4: Simplify right side
    7,125.57x = 34,527,687.65
  5. Step 5: Solve for x
    x = 34,527,687.65/7,125.57
  6. Step 6: Final answer
    x = 4,845.60

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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.