Home / 4,701.88-6,486.72-3,207.40

Finding the Fourth Proportional to 4,701.88, 6,486.72 and 3,207.40

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Solution

The fourth proportional to 4,701.88, 6,486.72 and 3,207.40 is: 4,424.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,701.88 : 6,486.72 = 3,207.40 : x
  2. Step 2: Convert to fraction form
    4,701.88/6,486.72 = 3,207.40/x
  3. Step 3: Cross multiply
    4,701.88x = 6,486.72 × 3,207.40
  4. Step 4: Simplify right side
    4,701.88x = 20,805,505.73
  5. Step 5: Solve for x
    x = 20,805,505.73/4,701.88
  6. Step 6: Final answer
    x = 4,424.93

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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.