Home / 7,091.04-10,689.65-6,615.30

Finding the Fourth Proportional to 7,091.04, 10,689.65 and 6,615.30

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Solution

The fourth proportional to 7,091.04, 10,689.65 and 6,615.30 is: 9,972.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091.04 : 10,689.65 = 6,615.30 : x
  2. Step 2: Convert to fraction form
    7,091.04/10,689.65 = 6,615.30/x
  3. Step 3: Cross multiply
    7,091.04x = 10,689.65 × 6,615.30
  4. Step 4: Simplify right side
    7,091.04x = 70,715,241.65
  5. Step 5: Solve for x
    x = 70,715,241.65/7,091.04
  6. Step 6: Final answer
    x = 9,972.48

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.