Home / 6,478.08-8,938.29-3,824.06

Finding the Fourth Proportional to 6,478.08, 8,938.29 and 3,824.06

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Solution

The fourth proportional to 6,478.08, 8,938.29 and 3,824.06 is: 5,276.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,478.08 : 8,938.29 = 3,824.06 : x
  2. Step 2: Convert to fraction form
    6,478.08/8,938.29 = 3,824.06/x
  3. Step 3: Cross multiply
    6,478.08x = 8,938.29 × 3,824.06
  4. Step 4: Simplify right side
    6,478.08x = 34,180,512.57
  5. Step 5: Solve for x
    x = 34,180,512.57/6,478.08
  6. Step 6: Final answer
    x = 5,276.33

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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.