Home / 8,064.81-11,137.95-5,553.45

Finding the Fourth Proportional to 8,064.81, 11,137.95 and 5,553.45

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Solution

The fourth proportional to 8,064.81, 11,137.95 and 5,553.45 is: 7,669.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064.81 : 11,137.95 = 5,553.45 : x
  2. Step 2: Convert to fraction form
    8,064.81/11,137.95 = 5,553.45/x
  3. Step 3: Cross multiply
    8,064.81x = 11,137.95 × 5,553.45
  4. Step 4: Simplify right side
    8,064.81x = 61,854,048.43
  5. Step 5: Solve for x
    x = 61,854,048.43/8,064.81
  6. Step 6: Final answer
    x = 7,669.62

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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.