Home / 5,555.52-7,666.56-3,197.60

Finding the Fourth Proportional to 5,555.52, 7,666.56 and 3,197.60

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Solution

The fourth proportional to 5,555.52, 7,666.56 and 3,197.60 is: 4,412.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.52 : 7,666.56 = 3,197.60 : x
  2. Step 2: Convert to fraction form
    5,555.52/7,666.56 = 3,197.60/x
  3. Step 3: Cross multiply
    5,555.52x = 7,666.56 × 3,197.60
  4. Step 4: Simplify right side
    5,555.52x = 24,514,592.26
  5. Step 5: Solve for x
    x = 24,514,592.26/5,555.52
  6. Step 6: Final answer
    x = 4,412.65

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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.