Home / 8,671.08-13,003.20-4,718.28

Finding the Fourth Proportional to 8,671.08, 13,003.20 and 4,718.28

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Solution

The fourth proportional to 8,671.08, 13,003.20 and 4,718.28 is: 7,075.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,671.08 : 13,003.20 = 4,718.28 : x
  2. Step 2: Convert to fraction form
    8,671.08/13,003.20 = 4,718.28/x
  3. Step 3: Cross multiply
    8,671.08x = 13,003.20 × 4,718.28
  4. Step 4: Simplify right side
    8,671.08x = 61,352,738.50
  5. Step 5: Solve for x
    x = 61,352,738.50/8,671.08
  6. Step 6: Final answer
    x = 7,075.56

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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.