Home / 8,718.35-13,077.50-2,875.41

Finding the Fourth Proportional to 8,718.35, 13,077.50 and 2,875.41

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Solution

The fourth proportional to 8,718.35, 13,077.50 and 2,875.41 is: 4,313.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718.35 : 13,077.50 = 2,875.41 : x
  2. Step 2: Convert to fraction form
    8,718.35/13,077.50 = 2,875.41/x
  3. Step 3: Cross multiply
    8,718.35x = 13,077.50 × 2,875.41
  4. Step 4: Simplify right side
    8,718.35x = 37,603,159.90
  5. Step 5: Solve for x
    x = 37,603,159.90/8,718.35
  6. Step 6: Final answer
    x = 4,313.11

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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.