Home / 8,959.84-13,438.25-2,718.36

Finding the Fourth Proportional to 8,959.84, 13,438.25 and 2,718.36

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Solution

The fourth proportional to 8,959.84, 13,438.25 and 2,718.36 is: 4,077.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,959.84 : 13,438.25 = 2,718.36 : x
  2. Step 2: Convert to fraction form
    8,959.84/13,438.25 = 2,718.36/x
  3. Step 3: Cross multiply
    8,959.84x = 13,438.25 × 2,718.36
  4. Step 4: Simplify right side
    8,959.84x = 36,529,920.49
  5. Step 5: Solve for x
    x = 36,529,920.49/8,959.84
  6. Step 6: Final answer
    x = 4,077.08

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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.