Home / 8,076.63-11,148.86-5,386.87

Finding the Fourth Proportional to 8,076.63, 11,148.86 and 5,386.87

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Solution

The fourth proportional to 8,076.63, 11,148.86 and 5,386.87 is: 7,435.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076.63 : 11,148.86 = 5,386.87 : x
  2. Step 2: Convert to fraction form
    8,076.63/11,148.86 = 5,386.87/x
  3. Step 3: Cross multiply
    8,076.63x = 11,148.86 × 5,386.87
  4. Step 4: Simplify right side
    8,076.63x = 60,057,459.47
  5. Step 5: Solve for x
    x = 60,057,459.47/8,076.63
  6. Step 6: Final answer
    x = 7,435.96

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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.