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Finding the Fourth Proportional to 8,273.76, 12,412.68 and 2,430.34

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Solution

The fourth proportional to 8,273.76, 12,412.68 and 2,430.34 is: 3,646.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,273.76 : 12,412.68 = 2,430.34 : x
  2. Step 2: Convert to fraction form
    8,273.76/12,412.68 = 2,430.34/x
  3. Step 3: Cross multiply
    8,273.76x = 12,412.68 × 2,430.34
  4. Step 4: Simplify right side
    8,273.76x = 30,167,032.71
  5. Step 5: Solve for x
    x = 30,167,032.71/8,273.76
  6. Step 6: Final answer
    x = 3,646.11

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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.