Home / 5,089.64-7,023.80-2,851.97

Finding the Fourth Proportional to 5,089.64, 7,023.80 and 2,851.97

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Solution

The fourth proportional to 5,089.64, 7,023.80 and 2,851.97 is: 3,935.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.64 : 7,023.80 = 2,851.97 : x
  2. Step 2: Convert to fraction form
    5,089.64/7,023.80 = 2,851.97/x
  3. Step 3: Cross multiply
    5,089.64x = 7,023.80 × 2,851.97
  4. Step 4: Simplify right side
    5,089.64x = 20,031,638.90
  5. Step 5: Solve for x
    x = 20,031,638.90/5,089.64
  6. Step 6: Final answer
    x = 3,935.77

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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.