Home / 8,938.41-12,335.33-5,400.93

Finding the Fourth Proportional to 8,938.41, 12,335.33 and 5,400.93

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Solution

The fourth proportional to 8,938.41, 12,335.33 and 5,400.93 is: 7,453.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938.41 : 12,335.33 = 5,400.93 : x
  2. Step 2: Convert to fraction form
    8,938.41/12,335.33 = 5,400.93/x
  3. Step 3: Cross multiply
    8,938.41x = 12,335.33 × 5,400.93
  4. Step 4: Simplify right side
    8,938.41x = 66,622,226.85
  5. Step 5: Solve for x
    x = 66,622,226.85/8,938.41
  6. Step 6: Final answer
    x = 7,453.48

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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.