Home / 4,851.79-6,693.91-2,989.87

Finding the Fourth Proportional to 4,851.79, 6,693.91 and 2,989.87

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Solution

The fourth proportional to 4,851.79, 6,693.91 and 2,989.87 is: 4,125.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,851.79 : 6,693.91 = 2,989.87 : x
  2. Step 2: Convert to fraction form
    4,851.79/6,693.91 = 2,989.87/x
  3. Step 3: Cross multiply
    4,851.79x = 6,693.91 × 2,989.87
  4. Step 4: Simplify right side
    4,851.79x = 20,013,920.69
  5. Step 5: Solve for x
    x = 20,013,920.69/4,851.79
  6. Step 6: Final answer
    x = 4,125.06

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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.