Home / 5,555.55-7,658.67-3,429.66

Finding the Fourth Proportional to 5,555.55, 7,658.67 and 3,429.66

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Solution

The fourth proportional to 5,555.55, 7,658.67 and 3,429.66 is: 4,728.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.55 : 7,658.67 = 3,429.66 : x
  2. Step 2: Convert to fraction form
    5,555.55/7,658.67 = 3,429.66/x
  3. Step 3: Cross multiply
    5,555.55x = 7,658.67 × 3,429.66
  4. Step 4: Simplify right side
    5,555.55x = 26,266,634.15
  5. Step 5: Solve for x
    x = 26,266,634.15/5,555.55
  6. Step 6: Final answer
    x = 4,728.00

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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.