Home / 4,221.22-6,331.76-1,624.72

Finding the Fourth Proportional to 4,221.22, 6,331.76 and 1,624.72

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Solution

The fourth proportional to 4,221.22, 6,331.76 and 1,624.72 is: 2,437.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221.22 : 6,331.76 = 1,624.72 : x
  2. Step 2: Convert to fraction form
    4,221.22/6,331.76 = 1,624.72/x
  3. Step 3: Cross multiply
    4,221.22x = 6,331.76 × 1,624.72
  4. Step 4: Simplify right side
    4,221.22x = 10,287,337.11
  5. Step 5: Solve for x
    x = 10,287,337.11/4,221.22
  6. Step 6: Final answer
    x = 2,437.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.