Home / 5,665.41-7,817.85-3,307.77

Finding the Fourth Proportional to 5,665.41, 7,817.85 and 3,307.77

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Solution

The fourth proportional to 5,665.41, 7,817.85 and 3,307.77 is: 4,564.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,665.41 : 7,817.85 = 3,307.77 : x
  2. Step 2: Convert to fraction form
    5,665.41/7,817.85 = 3,307.77/x
  3. Step 3: Cross multiply
    5,665.41x = 7,817.85 × 3,307.77
  4. Step 4: Simplify right side
    5,665.41x = 25,859,649.69
  5. Step 5: Solve for x
    x = 25,859,649.69/5,665.41
  6. Step 6: Final answer
    x = 4,564.48

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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.