Home / 8,013.95-11,054.43-5,180.34

Finding the Fourth Proportional to 8,013.95, 11,054.43 and 5,180.34

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Solution

The fourth proportional to 8,013.95, 11,054.43 and 5,180.34 is: 7,145.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,013.95 : 11,054.43 = 5,180.34 : x
  2. Step 2: Convert to fraction form
    8,013.95/11,054.43 = 5,180.34/x
  3. Step 3: Cross multiply
    8,013.95x = 11,054.43 × 5,180.34
  4. Step 4: Simplify right side
    8,013.95x = 57,265,705.91
  5. Step 5: Solve for x
    x = 57,265,705.91/8,013.95
  6. Step 6: Final answer
    x = 7,145.76

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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.