Home / 8,904-12,287.74-4,925.20

Finding the Fourth Proportional to 8,904, 12,287.74 and 4,925.20

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Solution

The fourth proportional to 8,904, 12,287.74 and 4,925.20 is: 6,796.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,904 : 12,287.74 = 4,925.20 : x
  2. Step 2: Convert to fraction form
    8,904/12,287.74 = 4,925.20/x
  3. Step 3: Cross multiply
    8,904x = 12,287.74 × 4,925.20
  4. Step 4: Simplify right side
    8,904x = 60,519,577.05
  5. Step 5: Solve for x
    x = 60,519,577.05/8,904
  6. Step 6: Final answer
    x = 6,796.90

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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.