Home / 8,515.17-11,750.94-4,738.68

Finding the Fourth Proportional to 8,515.17, 11,750.94 and 4,738.68

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Solution

The fourth proportional to 8,515.17, 11,750.94 and 4,738.68 is: 6,539.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515.17 : 11,750.94 = 4,738.68 : x
  2. Step 2: Convert to fraction form
    8,515.17/11,750.94 = 4,738.68/x
  3. Step 3: Cross multiply
    8,515.17x = 11,750.94 × 4,738.68
  4. Step 4: Simplify right side
    8,515.17x = 55,683,944.36
  5. Step 5: Solve for x
    x = 55,683,944.36/8,515.17
  6. Step 6: Final answer
    x = 6,539.38

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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.