Home / 6,423.36-9,634.56-1,805.76

Finding the Fourth Proportional to 6,423.36, 9,634.56 and 1,805.76

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Solution

The fourth proportional to 6,423.36, 9,634.56 and 1,805.76 is: 2,708.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,423.36 : 9,634.56 = 1,805.76 : x
  2. Step 2: Convert to fraction form
    6,423.36/9,634.56 = 1,805.76/x
  3. Step 3: Cross multiply
    6,423.36x = 9,634.56 × 1,805.76
  4. Step 4: Simplify right side
    6,423.36x = 17,397,703.07
  5. Step 5: Solve for x
    x = 17,397,703.07/6,423.36
  6. Step 6: Final answer
    x = 2,708.51

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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.