Home / 4,139.58-6,210.78-1,948.42

Finding the Fourth Proportional to 4,139.58, 6,210.78 and 1,948.42

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Solution

The fourth proportional to 4,139.58, 6,210.78 and 1,948.42 is: 2,923.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.58 : 6,210.78 = 1,948.42 : x
  2. Step 2: Convert to fraction form
    4,139.58/6,210.78 = 1,948.42/x
  3. Step 3: Cross multiply
    4,139.58x = 6,210.78 × 1,948.42
  4. Step 4: Simplify right side
    4,139.58x = 12,101,207.97
  5. Step 5: Solve for x
    x = 12,101,207.97/4,139.58
  6. Step 6: Final answer
    x = 2,923.30

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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.