Home / 5,557.02-7,668.45-3,039.09

Finding the Fourth Proportional to 5,557.02, 7,668.45 and 3,039.09

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Solution

The fourth proportional to 5,557.02, 7,668.45 and 3,039.09 is: 4,193.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,557.02 : 7,668.45 = 3,039.09 : x
  2. Step 2: Convert to fraction form
    5,557.02/7,668.45 = 3,039.09/x
  3. Step 3: Cross multiply
    5,557.02x = 7,668.45 × 3,039.09
  4. Step 4: Simplify right side
    5,557.02x = 23,305,109.71
  5. Step 5: Solve for x
    x = 23,305,109.71/5,557.02
  6. Step 6: Final answer
    x = 4,193.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.