Home / 5,557.23-7,666.50-3,666.39

Finding the Fourth Proportional to 5,557.23, 7,666.50 and 3,666.39

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Solution

The fourth proportional to 5,557.23, 7,666.50 and 3,666.39 is: 5,057.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,557.23 : 7,666.50 = 3,666.39 : x
  2. Step 2: Convert to fraction form
    5,557.23/7,666.50 = 3,666.39/x
  3. Step 3: Cross multiply
    5,557.23x = 7,666.50 × 3,666.39
  4. Step 4: Simplify right side
    5,557.23x = 28,108,378.94
  5. Step 5: Solve for x
    x = 28,108,378.94/5,557.23
  6. Step 6: Final answer
    x = 5,057.98

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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.