Home / 8,790.77-13,192.47-3,454.76

Finding the Fourth Proportional to 8,790.77, 13,192.47 and 3,454.76

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Solution

The fourth proportional to 8,790.77, 13,192.47 and 3,454.76 is: 5,184.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790.77 : 13,192.47 = 3,454.76 : x
  2. Step 2: Convert to fraction form
    8,790.77/13,192.47 = 3,454.76/x
  3. Step 3: Cross multiply
    8,790.77x = 13,192.47 × 3,454.76
  4. Step 4: Simplify right side
    8,790.77x = 45,576,850.64
  5. Step 5: Solve for x
    x = 45,576,850.64/8,790.77
  6. Step 6: Final answer
    x = 5,184.62

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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.