Home / 6,608.20-9,117.48-4,720.36

Finding the Fourth Proportional to 6,608.20, 9,117.48 and 4,720.36

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Solution

The fourth proportional to 6,608.20, 9,117.48 and 4,720.36 is: 6,512.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,608.20 : 9,117.48 = 4,720.36 : x
  2. Step 2: Convert to fraction form
    6,608.20/9,117.48 = 4,720.36/x
  3. Step 3: Cross multiply
    6,608.20x = 9,117.48 × 4,720.36
  4. Step 4: Simplify right side
    6,608.20x = 43,037,787.89
  5. Step 5: Solve for x
    x = 43,037,787.89/6,608.20
  6. Step 6: Final answer
    x = 6,512.79

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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.