Home / 7,663.40-11,500.23-3,281.93

Finding the Fourth Proportional to 7,663.40, 11,500.23 and 3,281.93

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Solution

The fourth proportional to 7,663.40, 11,500.23 and 3,281.93 is: 4,925.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,663.40 : 11,500.23 = 3,281.93 : x
  2. Step 2: Convert to fraction form
    7,663.40/11,500.23 = 3,281.93/x
  3. Step 3: Cross multiply
    7,663.40x = 11,500.23 × 3,281.93
  4. Step 4: Simplify right side
    7,663.40x = 37,742,949.84
  5. Step 5: Solve for x
    x = 37,742,949.84/7,663.40
  6. Step 6: Final answer
    x = 4,925.09

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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.