Home / 7,167.81-10,748.99-2,784.25

Finding the Fourth Proportional to 7,167.81, 10,748.99 and 2,784.25

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Solution

The fourth proportional to 7,167.81, 10,748.99 and 2,784.25 is: 4,175.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167.81 : 10,748.99 = 2,784.25 : x
  2. Step 2: Convert to fraction form
    7,167.81/10,748.99 = 2,784.25/x
  3. Step 3: Cross multiply
    7,167.81x = 10,748.99 × 2,784.25
  4. Step 4: Simplify right side
    7,167.81x = 29,927,875.41
  5. Step 5: Solve for x
    x = 29,927,875.41/7,167.81
  6. Step 6: Final answer
    x = 4,175.32

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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.