Home / 5,645.70-8,464.91-2,357.91

Finding the Fourth Proportional to 5,645.70, 8,464.91 and 2,357.91

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Solution

The fourth proportional to 5,645.70, 8,464.91 and 2,357.91 is: 3,535.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,645.70 : 8,464.91 = 2,357.91 : x
  2. Step 2: Convert to fraction form
    5,645.70/8,464.91 = 2,357.91/x
  3. Step 3: Cross multiply
    5,645.70x = 8,464.91 × 2,357.91
  4. Step 4: Simplify right side
    5,645.70x = 19,959,484.15
  5. Step 5: Solve for x
    x = 19,959,484.15/5,645.70
  6. Step 6: Final answer
    x = 3,535.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.