Home / 5,612.80-7,749.78-3,624.52

Finding the Fourth Proportional to 5,612.80, 7,749.78 and 3,624.52

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Solution

The fourth proportional to 5,612.80, 7,749.78 and 3,624.52 is: 5,004.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.80 : 7,749.78 = 3,624.52 : x
  2. Step 2: Convert to fraction form
    5,612.80/7,749.78 = 3,624.52/x
  3. Step 3: Cross multiply
    5,612.80x = 7,749.78 × 3,624.52
  4. Step 4: Simplify right side
    5,612.80x = 28,089,232.61
  5. Step 5: Solve for x
    x = 28,089,232.61/5,612.80
  6. Step 6: Final answer
    x = 5,004.50

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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.