Home / 8,074.08-12,114.80-7,301.28

Finding the Fourth Proportional to 8,074.08, 12,114.80 and 7,301.28

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Solution

The fourth proportional to 8,074.08, 12,114.80 and 7,301.28 is: 10,955.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,074.08 : 12,114.80 = 7,301.28 : x
  2. Step 2: Convert to fraction form
    8,074.08/12,114.80 = 7,301.28/x
  3. Step 3: Cross multiply
    8,074.08x = 12,114.80 × 7,301.28
  4. Step 4: Simplify right side
    8,074.08x = 88,453,546.94
  5. Step 5: Solve for x
    x = 88,453,546.94/8,074.08
  6. Step 6: Final answer
    x = 10,955.25

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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.