Home / 6,987.06-9,641.70-4,333.50

Finding the Fourth Proportional to 6,987.06, 9,641.70 and 4,333.50

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Solution

The fourth proportional to 6,987.06, 9,641.70 and 4,333.50 is: 5,979.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,987.06 : 9,641.70 = 4,333.50 : x
  2. Step 2: Convert to fraction form
    6,987.06/9,641.70 = 4,333.50/x
  3. Step 3: Cross multiply
    6,987.06x = 9,641.70 × 4,333.50
  4. Step 4: Simplify right side
    6,987.06x = 41,782,306.95
  5. Step 5: Solve for x
    x = 41,782,306.95/6,987.06
  6. Step 6: Final answer
    x = 5,979.96

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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.