Home / 6,839.19-9,434.75-4,320.09

Finding the Fourth Proportional to 6,839.19, 9,434.75 and 4,320.09

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Solution

The fourth proportional to 6,839.19, 9,434.75 and 4,320.09 is: 5,959.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,839.19 : 9,434.75 = 4,320.09 : x
  2. Step 2: Convert to fraction form
    6,839.19/9,434.75 = 4,320.09/x
  3. Step 3: Cross multiply
    6,839.19x = 9,434.75 × 4,320.09
  4. Step 4: Simplify right side
    6,839.19x = 40,758,947.53
  5. Step 5: Solve for x
    x = 40,758,947.53/6,839.19
  6. Step 6: Final answer
    x = 5,959.62

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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.