Home / 4,818-7,226.88-1,531.28

Finding the Fourth Proportional to 4,818, 7,226.88 and 1,531.28

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Solution

The fourth proportional to 4,818, 7,226.88 and 1,531.28 is: 2,296.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818 : 7,226.88 = 1,531.28 : x
  2. Step 2: Convert to fraction form
    4,818/7,226.88 = 1,531.28/x
  3. Step 3: Cross multiply
    4,818x = 7,226.88 × 1,531.28
  4. Step 4: Simplify right side
    4,818x = 11,066,376.81
  5. Step 5: Solve for x
    x = 11,066,376.81/4,818
  6. Step 6: Final answer
    x = 2,296.88

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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.