Home / 8,637.16-12,956.04-3,090.88

Finding the Fourth Proportional to 8,637.16, 12,956.04 and 3,090.88

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Solution

The fourth proportional to 8,637.16, 12,956.04 and 3,090.88 is: 4,636.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,637.16 : 12,956.04 = 3,090.88 : x
  2. Step 2: Convert to fraction form
    8,637.16/12,956.04 = 3,090.88/x
  3. Step 3: Cross multiply
    8,637.16x = 12,956.04 × 3,090.88
  4. Step 4: Simplify right side
    8,637.16x = 40,045,564.92
  5. Step 5: Solve for x
    x = 40,045,564.92/8,637.16
  6. Step 6: Final answer
    x = 4,636.43

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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.