Home / 5,698.22-7,857.34-3,705.08

Finding the Fourth Proportional to 5,698.22, 7,857.34 and 3,705.08

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Solution

The fourth proportional to 5,698.22, 7,857.34 and 3,705.08 is: 5,108.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,698.22 : 7,857.34 = 3,705.08 : x
  2. Step 2: Convert to fraction form
    5,698.22/7,857.34 = 3,705.08/x
  3. Step 3: Cross multiply
    5,698.22x = 7,857.34 × 3,705.08
  4. Step 4: Simplify right side
    5,698.22x = 29,112,024.74
  5. Step 5: Solve for x
    x = 29,112,024.74/5,698.22
  6. Step 6: Final answer
    x = 5,108.97

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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.