Home / 8,308.40-11,465.61-4,531.58

Finding the Fourth Proportional to 8,308.40, 11,465.61 and 4,531.58

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Solution

The fourth proportional to 8,308.40, 11,465.61 and 4,531.58 is: 6,253.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308.40 : 11,465.61 = 4,531.58 : x
  2. Step 2: Convert to fraction form
    8,308.40/11,465.61 = 4,531.58/x
  3. Step 3: Cross multiply
    8,308.40x = 11,465.61 × 4,531.58
  4. Step 4: Simplify right side
    8,308.40x = 51,957,297.64
  5. Step 5: Solve for x
    x = 51,957,297.64/8,308.40
  6. Step 6: Final answer
    x = 6,253.59

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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.