Home / 5,095.66-7,031.68-2,857.52

Finding the Fourth Proportional to 5,095.66, 7,031.68 and 2,857.52

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Solution

The fourth proportional to 5,095.66, 7,031.68 and 2,857.52 is: 3,943.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,095.66 : 7,031.68 = 2,857.52 : x
  2. Step 2: Convert to fraction form
    5,095.66/7,031.68 = 2,857.52/x
  3. Step 3: Cross multiply
    5,095.66x = 7,031.68 × 2,857.52
  4. Step 4: Simplify right side
    5,095.66x = 20,093,166.23
  5. Step 5: Solve for x
    x = 20,093,166.23/5,095.66
  6. Step 6: Final answer
    x = 3,943.19

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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.