Home / 7,325.40-10,988.19-2,648.76

Finding the Fourth Proportional to 7,325.40, 10,988.19 and 2,648.76

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Solution

The fourth proportional to 7,325.40, 10,988.19 and 2,648.76 is: 3,973.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,325.40 : 10,988.19 = 2,648.76 : x
  2. Step 2: Convert to fraction form
    7,325.40/10,988.19 = 2,648.76/x
  3. Step 3: Cross multiply
    7,325.40x = 10,988.19 × 2,648.76
  4. Step 4: Simplify right side
    7,325.40x = 29,105,078.14
  5. Step 5: Solve for x
    x = 29,105,078.14/7,325.40
  6. Step 6: Final answer
    x = 3,973.17

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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.