Home / 8,859.57-13,263.60-5,150.49

Finding the Fourth Proportional to 8,859.57, 13,263.60 and 5,150.49

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Solution

The fourth proportional to 8,859.57, 13,263.60 and 5,150.49 is: 7,710.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,859.57 : 13,263.60 = 5,150.49 : x
  2. Step 2: Convert to fraction form
    8,859.57/13,263.60 = 5,150.49/x
  3. Step 3: Cross multiply
    8,859.57x = 13,263.60 × 5,150.49
  4. Step 4: Simplify right side
    8,859.57x = 68,314,039.16
  5. Step 5: Solve for x
    x = 68,314,039.16/8,859.57
  6. Step 6: Final answer
    x = 7,710.76

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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.