Home / 8,011.68-11,061.58-5,185.89

Finding the Fourth Proportional to 8,011.68, 11,061.58 and 5,185.89

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Solution

The fourth proportional to 8,011.68, 11,061.58 and 5,185.89 is: 7,160.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,011.68 : 11,061.58 = 5,185.89 : x
  2. Step 2: Convert to fraction form
    8,011.68/11,061.58 = 5,185.89/x
  3. Step 3: Cross multiply
    8,011.68x = 11,061.58 × 5,185.89
  4. Step 4: Simplify right side
    8,011.68x = 57,364,133.87
  5. Step 5: Solve for x
    x = 57,364,133.87/8,011.68
  6. Step 6: Final answer
    x = 7,160.07

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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.