Home / 4,968.75-6,858.32-3,312.75

Finding the Fourth Proportional to 4,968.75, 6,858.32 and 3,312.75

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Solution

The fourth proportional to 4,968.75, 6,858.32 and 3,312.75 is: 4,572.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,968.75 : 6,858.32 = 3,312.75 : x
  2. Step 2: Convert to fraction form
    4,968.75/6,858.32 = 3,312.75/x
  3. Step 3: Cross multiply
    4,968.75x = 6,858.32 × 3,312.75
  4. Step 4: Simplify right side
    4,968.75x = 22,719,883.02
  5. Step 5: Solve for x
    x = 22,719,883.02/4,968.75
  6. Step 6: Final answer
    x = 4,572.56

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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.