Home / 8,040.80-11,095.90-4,455.56

Finding the Fourth Proportional to 8,040.80, 11,095.90 and 4,455.56

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Solution

The fourth proportional to 8,040.80, 11,095.90 and 4,455.56 is: 6,148.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,040.80 : 11,095.90 = 4,455.56 : x
  2. Step 2: Convert to fraction form
    8,040.80/11,095.90 = 4,455.56/x
  3. Step 3: Cross multiply
    8,040.80x = 11,095.90 × 4,455.56
  4. Step 4: Simplify right side
    8,040.80x = 49,438,448.20
  5. Step 5: Solve for x
    x = 49,438,448.20/8,040.80
  6. Step 6: Final answer
    x = 6,148.45

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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.