Home / 4,972.71-6,862.89-2,983.76

Finding the Fourth Proportional to 4,972.71, 6,862.89 and 2,983.76

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Solution

The fourth proportional to 4,972.71, 6,862.89 and 2,983.76 is: 4,117.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.71 : 6,862.89 = 2,983.76 : x
  2. Step 2: Convert to fraction form
    4,972.71/6,862.89 = 2,983.76/x
  3. Step 3: Cross multiply
    4,972.71x = 6,862.89 × 2,983.76
  4. Step 4: Simplify right side
    4,972.71x = 20,477,216.67
  5. Step 5: Solve for x
    x = 20,477,216.67/4,972.71
  6. Step 6: Final answer
    x = 4,117.92

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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.