Home / 7,971.40-10,998.66-5,455.24

Finding the Fourth Proportional to 7,971.40, 10,998.66 and 5,455.24

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Solution

The fourth proportional to 7,971.40, 10,998.66 and 5,455.24 is: 7,526.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,971.40 : 10,998.66 = 5,455.24 : x
  2. Step 2: Convert to fraction form
    7,971.40/10,998.66 = 5,455.24/x
  3. Step 3: Cross multiply
    7,971.40x = 10,998.66 × 5,455.24
  4. Step 4: Simplify right side
    7,971.40x = 60,000,329.98
  5. Step 5: Solve for x
    x = 60,000,329.98/7,971.40
  6. Step 6: Final answer
    x = 7,526.95

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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.