Home / 7,079.78-10,608.60-4,477.25

Finding the Fourth Proportional to 7,079.78, 10,608.60 and 4,477.25

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Solution

The fourth proportional to 7,079.78, 10,608.60 and 4,477.25 is: 6,708.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.78 : 10,608.60 = 4,477.25 : x
  2. Step 2: Convert to fraction form
    7,079.78/10,608.60 = 4,477.25/x
  3. Step 3: Cross multiply
    7,079.78x = 10,608.60 × 4,477.25
  4. Step 4: Simplify right side
    7,079.78x = 47,497,354.35
  5. Step 5: Solve for x
    x = 47,497,354.35/7,079.78
  6. Step 6: Final answer
    x = 6,708.87

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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.