Home / 8,685.48-13,028.28-2,446.08

Finding the Fourth Proportional to 8,685.48, 13,028.28 and 2,446.08

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Solution

The fourth proportional to 8,685.48, 13,028.28 and 2,446.08 is: 3,669.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685.48 : 13,028.28 = 2,446.08 : x
  2. Step 2: Convert to fraction form
    8,685.48/13,028.28 = 2,446.08/x
  3. Step 3: Cross multiply
    8,685.48x = 13,028.28 × 2,446.08
  4. Step 4: Simplify right side
    8,685.48x = 31,868,215.14
  5. Step 5: Solve for x
    x = 31,868,215.14/8,685.48
  6. Step 6: Final answer
    x = 3,669.14

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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.