Home / 5,145.32-7,100.50-3,050.44

Finding the Fourth Proportional to 5,145.32, 7,100.50 and 3,050.44

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Solution

The fourth proportional to 5,145.32, 7,100.50 and 3,050.44 is: 4,209.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,145.32 : 7,100.50 = 3,050.44 : x
  2. Step 2: Convert to fraction form
    5,145.32/7,100.50 = 3,050.44/x
  3. Step 3: Cross multiply
    5,145.32x = 7,100.50 × 3,050.44
  4. Step 4: Simplify right side
    5,145.32x = 21,659,649.22
  5. Step 5: Solve for x
    x = 21,659,649.22/5,145.32
  6. Step 6: Final answer
    x = 4,209.58

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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.