Home / 4,991.19-7,487.15-1,530.87

Finding the Fourth Proportional to 4,991.19, 7,487.15 and 1,530.87

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Solution

The fourth proportional to 4,991.19, 7,487.15 and 1,530.87 is: 2,296.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.19 : 7,487.15 = 1,530.87 : x
  2. Step 2: Convert to fraction form
    4,991.19/7,487.15 = 1,530.87/x
  3. Step 3: Cross multiply
    4,991.19x = 7,487.15 × 1,530.87
  4. Step 4: Simplify right side
    4,991.19x = 11,461,845.67
  5. Step 5: Solve for x
    x = 11,461,845.67/4,991.19
  6. Step 6: Final answer
    x = 2,296.42

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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.