Home / 7,029.62-9,701.49-3,886.41

Finding the Fourth Proportional to 7,029.62, 9,701.49 and 3,886.41

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Solution

The fourth proportional to 7,029.62, 9,701.49 and 3,886.41 is: 5,363.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,029.62 : 9,701.49 = 3,886.41 : x
  2. Step 2: Convert to fraction form
    7,029.62/9,701.49 = 3,886.41/x
  3. Step 3: Cross multiply
    7,029.62x = 9,701.49 × 3,886.41
  4. Step 4: Simplify right side
    7,029.62x = 37,703,967.75
  5. Step 5: Solve for x
    x = 37,703,967.75/7,029.62
  6. Step 6: Final answer
    x = 5,363.59

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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.