Home / 4,728.08-7,081.56-3,079.60

Finding the Fourth Proportional to 4,728.08, 7,081.56 and 3,079.60

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Solution

The fourth proportional to 4,728.08, 7,081.56 and 3,079.60 is: 4,612.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,728.08 : 7,081.56 = 3,079.60 : x
  2. Step 2: Convert to fraction form
    4,728.08/7,081.56 = 3,079.60/x
  3. Step 3: Cross multiply
    4,728.08x = 7,081.56 × 3,079.60
  4. Step 4: Simplify right side
    4,728.08x = 21,808,372.18
  5. Step 5: Solve for x
    x = 21,808,372.18/4,728.08
  6. Step 6: Final answer
    x = 4,612.52

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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.