Home / 8,925.58-12,317.11-5,388.81

Finding the Fourth Proportional to 8,925.58, 12,317.11 and 5,388.81

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Solution

The fourth proportional to 8,925.58, 12,317.11 and 5,388.81 is: 7,436.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,925.58 : 12,317.11 = 5,388.81 : x
  2. Step 2: Convert to fraction form
    8,925.58/12,317.11 = 5,388.81/x
  3. Step 3: Cross multiply
    8,925.58x = 12,317.11 × 5,388.81
  4. Step 4: Simplify right side
    8,925.58x = 66,374,565.54
  5. Step 5: Solve for x
    x = 66,374,565.54/8,925.58
  6. Step 6: Final answer
    x = 7,436.44

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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.