Home / 7,357.79-10,151.49-4,170.57

Finding the Fourth Proportional to 7,357.79, 10,151.49 and 4,170.57

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Solution

The fourth proportional to 7,357.79, 10,151.49 and 4,170.57 is: 5,754.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,357.79 : 10,151.49 = 4,170.57 : x
  2. Step 2: Convert to fraction form
    7,357.79/10,151.49 = 4,170.57/x
  3. Step 3: Cross multiply
    7,357.79x = 10,151.49 × 4,170.57
  4. Step 4: Simplify right side
    7,357.79x = 42,337,499.65
  5. Step 5: Solve for x
    x = 42,337,499.65/7,357.79
  6. Step 6: Final answer
    x = 5,754.11

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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.