Home / 8,054.46-11,090.70-7,145.10

Finding the Fourth Proportional to 8,054.46, 11,090.70 and 7,145.10

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Solution

The fourth proportional to 8,054.46, 11,090.70 and 7,145.10 is: 9,838.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,054.46 : 11,090.70 = 7,145.10 : x
  2. Step 2: Convert to fraction form
    8,054.46/11,090.70 = 7,145.10/x
  3. Step 3: Cross multiply
    8,054.46x = 11,090.70 × 7,145.10
  4. Step 4: Simplify right side
    8,054.46x = 79,244,160.57
  5. Step 5: Solve for x
    x = 79,244,160.57/8,054.46
  6. Step 6: Final answer
    x = 9,838.54

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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.