Home / 4,977.10-6,862.70-3,182.18

Finding the Fourth Proportional to 4,977.10, 6,862.70 and 3,182.18

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Solution

The fourth proportional to 4,977.10, 6,862.70 and 3,182.18 is: 4,387.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.10 : 6,862.70 = 3,182.18 : x
  2. Step 2: Convert to fraction form
    4,977.10/6,862.70 = 3,182.18/x
  3. Step 3: Cross multiply
    4,977.10x = 6,862.70 × 3,182.18
  4. Step 4: Simplify right side
    4,977.10x = 21,838,346.69
  5. Step 5: Solve for x
    x = 21,838,346.69/4,977.10
  6. Step 6: Final answer
    x = 4,387.77

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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.