Home / 6,972.04-10,457.76-1,777.80

Finding the Fourth Proportional to 6,972.04, 10,457.76 and 1,777.80

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Solution

The fourth proportional to 6,972.04, 10,457.76 and 1,777.80 is: 2,666.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,972.04 : 10,457.76 = 1,777.80 : x
  2. Step 2: Convert to fraction form
    6,972.04/10,457.76 = 1,777.80/x
  3. Step 3: Cross multiply
    6,972.04x = 10,457.76 × 1,777.80
  4. Step 4: Simplify right side
    6,972.04x = 18,591,805.73
  5. Step 5: Solve for x
    x = 18,591,805.73/6,972.04
  6. Step 6: Final answer
    x = 2,666.62

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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.