Home / 7,325.28-10,988.04-2,645.64

Finding the Fourth Proportional to 7,325.28, 10,988.04 and 2,645.64

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Solution

The fourth proportional to 7,325.28, 10,988.04 and 2,645.64 is: 3,968.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,325.28 : 10,988.04 = 2,645.64 : x
  2. Step 2: Convert to fraction form
    7,325.28/10,988.04 = 2,645.64/x
  3. Step 3: Cross multiply
    7,325.28x = 10,988.04 × 2,645.64
  4. Step 4: Simplify right side
    7,325.28x = 29,070,398.15
  5. Step 5: Solve for x
    x = 29,070,398.15/7,325.28
  6. Step 6: Final answer
    x = 3,968.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.