Home / 8,637.48-12,958.97-3,090.71

Finding the Fourth Proportional to 8,637.48, 12,958.97 and 3,090.71

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Solution

The fourth proportional to 8,637.48, 12,958.97 and 3,090.71 is: 4,637.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,637.48 : 12,958.97 = 3,090.71 : x
  2. Step 2: Convert to fraction form
    8,637.48/12,958.97 = 3,090.71/x
  3. Step 3: Cross multiply
    8,637.48x = 12,958.97 × 3,090.71
  4. Step 4: Simplify right side
    8,637.48x = 40,052,337.92
  5. Step 5: Solve for x
    x = 40,052,337.92/8,637.48
  6. Step 6: Final answer
    x = 4,637.04

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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.