Home / 7,143.16-10,717.26-3,245.08

Finding the Fourth Proportional to 7,143.16, 10,717.26 and 3,245.08

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Solution

The fourth proportional to 7,143.16, 10,717.26 and 3,245.08 is: 4,868.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,143.16 : 10,717.26 = 3,245.08 : x
  2. Step 2: Convert to fraction form
    7,143.16/10,717.26 = 3,245.08/x
  3. Step 3: Cross multiply
    7,143.16x = 10,717.26 × 3,245.08
  4. Step 4: Simplify right side
    7,143.16x = 34,778,366.08
  5. Step 5: Solve for x
    x = 34,778,366.08/7,143.16
  6. Step 6: Final answer
    x = 4,868.76

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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.