Home / 7,818.93-11,669.67-6,760.06

Finding the Fourth Proportional to 7,818.93, 11,669.67 and 6,760.06

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Solution

The fourth proportional to 7,818.93, 11,669.67 and 6,760.06 is: 10,089.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.93 : 11,669.67 = 6,760.06 : x
  2. Step 2: Convert to fraction form
    7,818.93/11,669.67 = 6,760.06/x
  3. Step 3: Cross multiply
    7,818.93x = 11,669.67 × 6,760.06
  4. Step 4: Simplify right side
    7,818.93x = 78,887,640.21
  5. Step 5: Solve for x
    x = 78,887,640.21/7,818.93
  6. Step 6: Final answer
    x = 10,089.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.