Home / 7,109.02-10,664.73-2,177.47

Finding the Fourth Proportional to 7,109.02, 10,664.73 and 2,177.47

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Solution

The fourth proportional to 7,109.02, 10,664.73 and 2,177.47 is: 3,266.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,109.02 : 10,664.73 = 2,177.47 : x
  2. Step 2: Convert to fraction form
    7,109.02/10,664.73 = 2,177.47/x
  3. Step 3: Cross multiply
    7,109.02x = 10,664.73 × 2,177.47
  4. Step 4: Simplify right side
    7,109.02x = 23,222,118.75
  5. Step 5: Solve for x
    x = 23,222,118.75/7,109.02
  6. Step 6: Final answer
    x = 3,266.57

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1.5x scale

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.