Home / 7,678.88-10,593.85-4,320.94

Finding the Fourth Proportional to 7,678.88, 10,593.85 and 4,320.94

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Solution

The fourth proportional to 7,678.88, 10,593.85 and 4,320.94 is: 5,961.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,678.88 : 10,593.85 = 4,320.94 : x
  2. Step 2: Convert to fraction form
    7,678.88/10,593.85 = 4,320.94/x
  3. Step 3: Cross multiply
    7,678.88x = 10,593.85 × 4,320.94
  4. Step 4: Simplify right side
    7,678.88x = 45,775,390.22
  5. Step 5: Solve for x
    x = 45,775,390.22/7,678.88
  6. Step 6: Final answer
    x = 5,961.21

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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.