Home / 8,259.69-11,398.71-4,722.90

Finding the Fourth Proportional to 8,259.69, 11,398.71 and 4,722.90

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Solution

The fourth proportional to 8,259.69, 11,398.71 and 4,722.90 is: 6,517.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,259.69 : 11,398.71 = 4,722.90 : x
  2. Step 2: Convert to fraction form
    8,259.69/11,398.71 = 4,722.90/x
  3. Step 3: Cross multiply
    8,259.69x = 11,398.71 × 4,722.90
  4. Step 4: Simplify right side
    8,259.69x = 53,834,967.46
  5. Step 5: Solve for x
    x = 53,834,967.46/8,259.69
  6. Step 6: Final answer
    x = 6,517.80

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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.