Home / 5,005.71-6,909.89-3,017.97

Finding the Fourth Proportional to 5,005.71, 6,909.89 and 3,017.97

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Solution

The fourth proportional to 5,005.71, 6,909.89 and 3,017.97 is: 4,166.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.71 : 6,909.89 = 3,017.97 : x
  2. Step 2: Convert to fraction form
    5,005.71/6,909.89 = 3,017.97/x
  3. Step 3: Cross multiply
    5,005.71x = 6,909.89 × 3,017.97
  4. Step 4: Simplify right side
    5,005.71x = 20,853,840.72
  5. Step 5: Solve for x
    x = 20,853,840.72/5,005.71
  6. Step 6: Final answer
    x = 4,166.01

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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.