Home / 6,977.12-10,513.68-5,771.66

Finding the Fourth Proportional to 6,977.12, 10,513.68 and 5,771.66

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Solution

The fourth proportional to 6,977.12, 10,513.68 and 5,771.66 is: 8,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,977.12 : 10,513.68 = 5,771.66 : x
  2. Step 2: Convert to fraction form
    6,977.12/10,513.68 = 5,771.66/x
  3. Step 3: Cross multiply
    6,977.12x = 10,513.68 × 5,771.66
  4. Step 4: Simplify right side
    6,977.12x = 60,681,386.31
  5. Step 5: Solve for x
    x = 60,681,386.31/6,977.12
  6. Step 6: Final answer
    x = 8,697.20

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.