Home / 8,756.73-13,120.50-6,155.01

Finding the Fourth Proportional to 8,756.73, 13,120.50 and 6,155.01

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Solution

The fourth proportional to 8,756.73, 13,120.50 and 6,155.01 is: 9,222.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.73 : 13,120.50 = 6,155.01 : x
  2. Step 2: Convert to fraction form
    8,756.73/13,120.50 = 6,155.01/x
  3. Step 3: Cross multiply
    8,756.73x = 13,120.50 × 6,155.01
  4. Step 4: Simplify right side
    8,756.73x = 80,756,808.71
  5. Step 5: Solve for x
    x = 80,756,808.71/8,756.73
  6. Step 6: Final answer
    x = 9,222.26

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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.