Home / 4,931.90-6,805.38-3,256.54

Finding the Fourth Proportional to 4,931.90, 6,805.38 and 3,256.54

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Solution

The fourth proportional to 4,931.90, 6,805.38 and 3,256.54 is: 4,493.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.90 : 6,805.38 = 3,256.54 : x
  2. Step 2: Convert to fraction form
    4,931.90/6,805.38 = 3,256.54/x
  3. Step 3: Cross multiply
    4,931.90x = 6,805.38 × 3,256.54
  4. Step 4: Simplify right side
    4,931.90x = 22,161,992.19
  5. Step 5: Solve for x
    x = 22,161,992.19/4,931.90
  6. Step 6: Final answer
    x = 4,493.60

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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.