Home / 7,320.54-11,026.91-6,666.57

Finding the Fourth Proportional to 7,320.54, 11,026.91 and 6,666.57

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Solution

The fourth proportional to 7,320.54, 11,026.91 and 6,666.57 is: 10,041.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.54 : 11,026.91 = 6,666.57 : x
  2. Step 2: Convert to fraction form
    7,320.54/11,026.91 = 6,666.57/x
  3. Step 3: Cross multiply
    7,320.54x = 11,026.91 × 6,666.57
  4. Step 4: Simplify right side
    7,320.54x = 73,511,634.07
  5. Step 5: Solve for x
    x = 73,511,634.07/7,320.54
  6. Step 6: Final answer
    x = 10,041.83

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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.