Home / 5,244.40-7,866.60-3,170.80

Finding the Fourth Proportional to 5,244.40, 7,866.60 and 3,170.80

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Solution

The fourth proportional to 5,244.40, 7,866.60 and 3,170.80 is: 4,756.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,244.40 : 7,866.60 = 3,170.80 : x
  2. Step 2: Convert to fraction form
    5,244.40/7,866.60 = 3,170.80/x
  3. Step 3: Cross multiply
    5,244.40x = 7,866.60 × 3,170.80
  4. Step 4: Simplify right side
    5,244.40x = 24,943,415.28
  5. Step 5: Solve for x
    x = 24,943,415.28/5,244.40
  6. Step 6: Final answer
    x = 4,756.20

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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.