Home / 8,113.14-11,199.06-5,130.99

Finding the Fourth Proportional to 8,113.14, 11,199.06 and 5,130.99

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Solution

The fourth proportional to 8,113.14, 11,199.06 and 5,130.99 is: 7,082.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,113.14 : 11,199.06 = 5,130.99 : x
  2. Step 2: Convert to fraction form
    8,113.14/11,199.06 = 5,130.99/x
  3. Step 3: Cross multiply
    8,113.14x = 11,199.06 × 5,130.99
  4. Step 4: Simplify right side
    8,113.14x = 57,462,264.87
  5. Step 5: Solve for x
    x = 57,462,264.87/8,113.14
  6. Step 6: Final answer
    x = 7,082.62

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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.