Home / 6,487.04-9,725.60-2,101.84

Finding the Fourth Proportional to 6,487.04, 9,725.60 and 2,101.84

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Solution

The fourth proportional to 6,487.04, 9,725.60 and 2,101.84 is: 3,151.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,487.04 : 9,725.60 = 2,101.84 : x
  2. Step 2: Convert to fraction form
    6,487.04/9,725.60 = 2,101.84/x
  3. Step 3: Cross multiply
    6,487.04x = 9,725.60 × 2,101.84
  4. Step 4: Simplify right side
    6,487.04x = 20,441,655.10
  5. Step 5: Solve for x
    x = 20,441,655.10/6,487.04
  6. Step 6: Final answer
    x = 3,151.15

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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.