Home / 8,328.20-11,494.52-5,347.80

Finding the Fourth Proportional to 8,328.20, 11,494.52 and 5,347.80

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Solution

The fourth proportional to 8,328.20, 11,494.52 and 5,347.80 is: 7,380.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,328.20 : 11,494.52 = 5,347.80 : x
  2. Step 2: Convert to fraction form
    8,328.20/11,494.52 = 5,347.80/x
  3. Step 3: Cross multiply
    8,328.20x = 11,494.52 × 5,347.80
  4. Step 4: Simplify right side
    8,328.20x = 61,470,394.06
  5. Step 5: Solve for x
    x = 61,470,394.06/8,328.20
  6. Step 6: Final answer
    x = 7,380.99

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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.