Home / 7,764.76-11,653.04-5,690.18

Finding the Fourth Proportional to 7,764.76, 11,653.04 and 5,690.18

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Solution

The fourth proportional to 7,764.76, 11,653.04 and 5,690.18 is: 8,539.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.76 : 11,653.04 = 5,690.18 : x
  2. Step 2: Convert to fraction form
    7,764.76/11,653.04 = 5,690.18/x
  3. Step 3: Cross multiply
    7,764.76x = 11,653.04 × 5,690.18
  4. Step 4: Simplify right side
    7,764.76x = 66,307,938.51
  5. Step 5: Solve for x
    x = 66,307,938.51/7,764.76
  6. Step 6: Final answer
    x = 8,539.60

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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.