Home / 8,756.18-13,135.47-3,208.22

Finding the Fourth Proportional to 8,756.18, 13,135.47 and 3,208.22

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Solution

The fourth proportional to 8,756.18, 13,135.47 and 3,208.22 is: 4,812.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.18 : 13,135.47 = 3,208.22 : x
  2. Step 2: Convert to fraction form
    8,756.18/13,135.47 = 3,208.22/x
  3. Step 3: Cross multiply
    8,756.18x = 13,135.47 × 3,208.22
  4. Step 4: Simplify right side
    8,756.18x = 42,141,477.56
  5. Step 5: Solve for x
    x = 42,141,477.56/8,756.18
  6. Step 6: Final answer
    x = 4,812.77

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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.