Home / 8,120.01-11,207.35-5,133.93

Finding the Fourth Proportional to 8,120.01, 11,207.35 and 5,133.93

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Solution

The fourth proportional to 8,120.01, 11,207.35 and 5,133.93 is: 7,085.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,120.01 : 11,207.35 = 5,133.93 : x
  2. Step 2: Convert to fraction form
    8,120.01/11,207.35 = 5,133.93/x
  3. Step 3: Cross multiply
    8,120.01x = 11,207.35 × 5,133.93
  4. Step 4: Simplify right side
    8,120.01x = 57,537,724.72
  5. Step 5: Solve for x
    x = 57,537,724.72/8,120.01
  6. Step 6: Final answer
    x = 7,085.92

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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.