Home / 7,976.13-11,006.07-4,618.89

Finding the Fourth Proportional to 7,976.13, 11,006.07 and 4,618.89

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Solution

The fourth proportional to 7,976.13, 11,006.07 and 4,618.89 is: 6,373.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.13 : 11,006.07 = 4,618.89 : x
  2. Step 2: Convert to fraction form
    7,976.13/11,006.07 = 4,618.89/x
  3. Step 3: Cross multiply
    7,976.13x = 11,006.07 × 4,618.89
  4. Step 4: Simplify right side
    7,976.13x = 50,835,826.66
  5. Step 5: Solve for x
    x = 50,835,826.66/7,976.13
  6. Step 6: Final answer
    x = 6,373.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.