Home / 5,555.56-7,666.02-3,197.80

Finding the Fourth Proportional to 5,555.56, 7,666.02 and 3,197.80

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Solution

The fourth proportional to 5,555.56, 7,666.02 and 3,197.80 is: 4,412.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.56 : 7,666.02 = 3,197.80 : x
  2. Step 2: Convert to fraction form
    5,555.56/7,666.02 = 3,197.80/x
  3. Step 3: Cross multiply
    5,555.56x = 7,666.02 × 3,197.80
  4. Step 4: Simplify right side
    5,555.56x = 24,514,398.76
  5. Step 5: Solve for x
    x = 24,514,398.76/5,555.56
  6. Step 6: Final answer
    x = 4,412.59

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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.