Home / 8,007.81-11,054.82-5,490.95

Finding the Fourth Proportional to 8,007.81, 11,054.82 and 5,490.95

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Solution

The fourth proportional to 8,007.81, 11,054.82 and 5,490.95 is: 7,580.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,007.81 : 11,054.82 = 5,490.95 : x
  2. Step 2: Convert to fraction form
    8,007.81/11,054.82 = 5,490.95/x
  3. Step 3: Cross multiply
    8,007.81x = 11,054.82 × 5,490.95
  4. Step 4: Simplify right side
    8,007.81x = 60,701,408.60
  5. Step 5: Solve for x
    x = 60,701,408.60/8,007.81
  6. Step 6: Final answer
    x = 7,580.28

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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.