Home / 4,139.08-6,210.03-1,947.92

Finding the Fourth Proportional to 4,139.08, 6,210.03 and 1,947.92

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Solution

The fourth proportional to 4,139.08, 6,210.03 and 1,947.92 is: 2,922.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.08 : 6,210.03 = 1,947.92 : x
  2. Step 2: Convert to fraction form
    4,139.08/6,210.03 = 1,947.92/x
  3. Step 3: Cross multiply
    4,139.08x = 6,210.03 × 1,947.92
  4. Step 4: Simplify right side
    4,139.08x = 12,096,641.64
  5. Step 5: Solve for x
    x = 12,096,641.64/4,139.08
  6. Step 6: Final answer
    x = 2,922.55

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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.