Home / 8,678.52-13,017.51-2,438.55

Finding the Fourth Proportional to 8,678.52, 13,017.51 and 2,438.55

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Solution

The fourth proportional to 8,678.52, 13,017.51 and 2,438.55 is: 3,657.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,678.52 : 13,017.51 = 2,438.55 : x
  2. Step 2: Convert to fraction form
    8,678.52/13,017.51 = 2,438.55/x
  3. Step 3: Cross multiply
    8,678.52x = 13,017.51 × 2,438.55
  4. Step 4: Simplify right side
    8,678.52x = 31,743,849.01
  5. Step 5: Solve for x
    x = 31,743,849.01/8,678.52
  6. Step 6: Final answer
    x = 3,657.75

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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.