Home / 7,985.15-11,976.17-3,053.63

Finding the Fourth Proportional to 7,985.15, 11,976.17 and 3,053.63

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Solution

The fourth proportional to 7,985.15, 11,976.17 and 3,053.63 is: 4,579.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,985.15 : 11,976.17 = 3,053.63 : x
  2. Step 2: Convert to fraction form
    7,985.15/11,976.17 = 3,053.63/x
  3. Step 3: Cross multiply
    7,985.15x = 11,976.17 × 3,053.63
  4. Step 4: Simplify right side
    7,985.15x = 36,570,806.67
  5. Step 5: Solve for x
    x = 36,570,806.67/7,985.15
  6. Step 6: Final answer
    x = 4,579.85

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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.