Home / 6,254.06-8,630.57-3,421.43

Finding the Fourth Proportional to 6,254.06, 8,630.57 and 3,421.43

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Solution

The fourth proportional to 6,254.06, 8,630.57 and 3,421.43 is: 4,721.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,254.06 : 8,630.57 = 3,421.43 : x
  2. Step 2: Convert to fraction form
    6,254.06/8,630.57 = 3,421.43/x
  3. Step 3: Cross multiply
    6,254.06x = 8,630.57 × 3,421.43
  4. Step 4: Simplify right side
    6,254.06x = 29,528,921.25
  5. Step 5: Solve for x
    x = 29,528,921.25/6,254.06
  6. Step 6: Final answer
    x = 4,721.56

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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.