Home / 8,707.45-13,061.06-2,133.69

Finding the Fourth Proportional to 8,707.45, 13,061.06 and 2,133.69

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Solution

The fourth proportional to 8,707.45, 13,061.06 and 2,133.69 is: 3,200.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,707.45 : 13,061.06 = 2,133.69 : x
  2. Step 2: Convert to fraction form
    8,707.45/13,061.06 = 2,133.69/x
  3. Step 3: Cross multiply
    8,707.45x = 13,061.06 × 2,133.69
  4. Step 4: Simplify right side
    8,707.45x = 27,868,277.93
  5. Step 5: Solve for x
    x = 27,868,277.93/8,707.45
  6. Step 6: Final answer
    x = 3,200.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.