Home / 8,116.98-12,159.69-5,335.26

Finding the Fourth Proportional to 8,116.98, 12,159.69 and 5,335.26

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Solution

The fourth proportional to 8,116.98, 12,159.69 and 5,335.26 is: 7,992.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,116.98 : 12,159.69 = 5,335.26 : x
  2. Step 2: Convert to fraction form
    8,116.98/12,159.69 = 5,335.26/x
  3. Step 3: Cross multiply
    8,116.98x = 12,159.69 × 5,335.26
  4. Step 4: Simplify right side
    8,116.98x = 64,875,107.67
  5. Step 5: Solve for x
    x = 64,875,107.67/8,116.98
  6. Step 6: Final answer
    x = 7,992.52

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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.