Home / 5,089.91-7,024.34-2,851.65

Finding the Fourth Proportional to 5,089.91, 7,024.34 and 2,851.65

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Solution

The fourth proportional to 5,089.91, 7,024.34 and 2,851.65 is: 3,935.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.91 : 7,024.34 = 2,851.65 : x
  2. Step 2: Convert to fraction form
    5,089.91/7,024.34 = 2,851.65/x
  3. Step 3: Cross multiply
    5,089.91x = 7,024.34 × 2,851.65
  4. Step 4: Simplify right side
    5,089.91x = 20,030,966.29
  5. Step 5: Solve for x
    x = 20,030,966.29/5,089.91
  6. Step 6: Final answer
    x = 3,935.43

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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.