Home / 7,746.82-10,649.62-6,666.08

Finding the Fourth Proportional to 7,746.82, 10,649.62 and 6,666.08

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Solution

The fourth proportional to 7,746.82, 10,649.62 and 6,666.08 is: 9,163.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,746.82 : 10,649.62 = 6,666.08 : x
  2. Step 2: Convert to fraction form
    7,746.82/10,649.62 = 6,666.08/x
  3. Step 3: Cross multiply
    7,746.82x = 10,649.62 × 6,666.08
  4. Step 4: Simplify right side
    7,746.82x = 70,991,218.89
  5. Step 5: Solve for x
    x = 70,991,218.89/7,746.82
  6. Step 6: Final answer
    x = 9,163.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.