Home / 4,139.52-6,206.38-1,947.12

Finding the Fourth Proportional to 4,139.52, 6,206.38 and 1,947.12

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Solution

The fourth proportional to 4,139.52, 6,206.38 and 1,947.12 is: 2,919.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.52 : 6,206.38 = 1,947.12 : x
  2. Step 2: Convert to fraction form
    4,139.52/6,206.38 = 1,947.12/x
  3. Step 3: Cross multiply
    4,139.52x = 6,206.38 × 1,947.12
  4. Step 4: Simplify right side
    4,139.52x = 12,084,566.63
  5. Step 5: Solve for x
    x = 12,084,566.63/4,139.52
  6. Step 6: Final answer
    x = 2,919.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.