Home / 8,291.69-11,442.63-4,755.23

Finding the Fourth Proportional to 8,291.69, 11,442.63 and 4,755.23

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Solution

The fourth proportional to 8,291.69, 11,442.63 and 4,755.23 is: 6,562.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,291.69 : 11,442.63 = 4,755.23 : x
  2. Step 2: Convert to fraction form
    8,291.69/11,442.63 = 4,755.23/x
  3. Step 3: Cross multiply
    8,291.69x = 11,442.63 × 4,755.23
  4. Step 4: Simplify right side
    8,291.69x = 54,412,337.45
  5. Step 5: Solve for x
    x = 54,412,337.45/8,291.69
  6. Step 6: Final answer
    x = 6,562.27

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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.