Home / 6,977.21-10,513.79-5,771.70

Finding the Fourth Proportional to 6,977.21, 10,513.79 and 5,771.70

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Solution

The fourth proportional to 6,977.21, 10,513.79 and 5,771.70 is: 8,697.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,977.21 : 10,513.79 = 5,771.70 : x
  2. Step 2: Convert to fraction form
    6,977.21/10,513.79 = 5,771.70/x
  3. Step 3: Cross multiply
    6,977.21x = 10,513.79 × 5,771.70
  4. Step 4: Simplify right side
    6,977.21x = 60,682,434.53
  5. Step 5: Solve for x
    x = 60,682,434.53/6,977.21
  6. Step 6: Final answer
    x = 8,697.24

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1.5x scale

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.