Home / 6,254.56-8,631.36-3,421.88

Finding the Fourth Proportional to 6,254.56, 8,631.36 and 3,421.88

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Solution

The fourth proportional to 6,254.56, 8,631.36 and 3,421.88 is: 4,722.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,254.56 : 8,631.36 = 3,421.88 : x
  2. Step 2: Convert to fraction form
    6,254.56/8,631.36 = 3,421.88/x
  3. Step 3: Cross multiply
    6,254.56x = 8,631.36 × 3,421.88
  4. Step 4: Simplify right side
    6,254.56x = 29,535,447.83
  5. Step 5: Solve for x
    x = 29,535,447.83/6,254.56
  6. Step 6: Final answer
    x = 4,722.23

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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.