Home / 8,035.57-11,082.85-6,142.40

Finding the Fourth Proportional to 8,035.57, 11,082.85 and 6,142.40

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Solution

The fourth proportional to 8,035.57, 11,082.85 and 6,142.40 is: 8,471.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,035.57 : 11,082.85 = 6,142.40 : x
  2. Step 2: Convert to fraction form
    8,035.57/11,082.85 = 6,142.40/x
  3. Step 3: Cross multiply
    8,035.57x = 11,082.85 × 6,142.40
  4. Step 4: Simplify right side
    8,035.57x = 68,075,297.84
  5. Step 5: Solve for x
    x = 68,075,297.84/8,035.57
  6. Step 6: Final answer
    x = 8,471.74

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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.