Home / 7,534.10-11,308.44-3,378.80

Finding the Fourth Proportional to 7,534.10, 11,308.44 and 3,378.80

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Solution

The fourth proportional to 7,534.10, 11,308.44 and 3,378.80 is: 5,071.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,534.10 : 11,308.44 = 3,378.80 : x
  2. Step 2: Convert to fraction form
    7,534.10/11,308.44 = 3,378.80/x
  3. Step 3: Cross multiply
    7,534.10x = 11,308.44 × 3,378.80
  4. Step 4: Simplify right side
    7,534.10x = 38,208,900.53
  5. Step 5: Solve for x
    x = 38,208,900.53/7,534.10
  6. Step 6: Final answer
    x = 5,071.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.