Home / 7,329.64-10,989.40-3,435.16

Finding the Fourth Proportional to 7,329.64, 10,989.40 and 3,435.16

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Solution

The fourth proportional to 7,329.64, 10,989.40 and 3,435.16 is: 5,150.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,329.64 : 10,989.40 = 3,435.16 : x
  2. Step 2: Convert to fraction form
    7,329.64/10,989.40 = 3,435.16/x
  3. Step 3: Cross multiply
    7,329.64x = 10,989.40 × 3,435.16
  4. Step 4: Simplify right side
    7,329.64x = 37,750,347.30
  5. Step 5: Solve for x
    x = 37,750,347.30/7,329.64
  6. Step 6: Final answer
    x = 5,150.37

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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.