Home / 7,306.56-10,080.60-4,120.08

Finding the Fourth Proportional to 7,306.56, 10,080.60 and 4,120.08

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Solution

The fourth proportional to 7,306.56, 10,080.60 and 4,120.08 is: 5,684.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,306.56 : 10,080.60 = 4,120.08 : x
  2. Step 2: Convert to fraction form
    7,306.56/10,080.60 = 4,120.08/x
  3. Step 3: Cross multiply
    7,306.56x = 10,080.60 × 4,120.08
  4. Step 4: Simplify right side
    7,306.56x = 41,532,878.45
  5. Step 5: Solve for x
    x = 41,532,878.45/7,306.56
  6. Step 6: Final answer
    x = 5,684.33

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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.