Home / 5,699.34-7,858.89-3,706.20

Finding the Fourth Proportional to 5,699.34, 7,858.89 and 3,706.20

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Solution

The fourth proportional to 5,699.34, 7,858.89 and 3,706.20 is: 5,110.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,699.34 : 7,858.89 = 3,706.20 : x
  2. Step 2: Convert to fraction form
    5,699.34/7,858.89 = 3,706.20/x
  3. Step 3: Cross multiply
    5,699.34x = 7,858.89 × 3,706.20
  4. Step 4: Simplify right side
    5,699.34x = 29,126,618.12
  5. Step 5: Solve for x
    x = 29,126,618.12/5,699.34
  6. Step 6: Final answer
    x = 5,110.52

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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.