Home / 6,493.24-9,740.94-2,109.40

Finding the Fourth Proportional to 6,493.24, 9,740.94 and 2,109.40

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Solution

The fourth proportional to 6,493.24, 9,740.94 and 2,109.40 is: 3,164.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,493.24 : 9,740.94 = 2,109.40 : x
  2. Step 2: Convert to fraction form
    6,493.24/9,740.94 = 2,109.40/x
  3. Step 3: Cross multiply
    6,493.24x = 9,740.94 × 2,109.40
  4. Step 4: Simplify right side
    6,493.24x = 20,547,538.84
  5. Step 5: Solve for x
    x = 20,547,538.84/6,493.24
  6. Step 6: Final answer
    x = 3,164.45

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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.