Home / 8,688.90-13,032.14-2,844.75

Finding the Fourth Proportional to 8,688.90, 13,032.14 and 2,844.75

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Solution

The fourth proportional to 8,688.90, 13,032.14 and 2,844.75 is: 4,266.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688.90 : 13,032.14 = 2,844.75 : x
  2. Step 2: Convert to fraction form
    8,688.90/13,032.14 = 2,844.75/x
  3. Step 3: Cross multiply
    8,688.90x = 13,032.14 × 2,844.75
  4. Step 4: Simplify right side
    8,688.90x = 37,073,166.04
  5. Step 5: Solve for x
    x = 37,073,166.04/8,688.90
  6. Step 6: Final answer
    x = 4,266.73

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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.