Home / 8,343.60-12,515.36-3,597.80

Finding the Fourth Proportional to 8,343.60, 12,515.36 and 3,597.80

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Solution

The fourth proportional to 8,343.60, 12,515.36 and 3,597.80 is: 5,396.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,343.60 : 12,515.36 = 3,597.80 : x
  2. Step 2: Convert to fraction form
    8,343.60/12,515.36 = 3,597.80/x
  3. Step 3: Cross multiply
    8,343.60x = 12,515.36 × 3,597.80
  4. Step 4: Simplify right side
    8,343.60x = 45,027,762.21
  5. Step 5: Solve for x
    x = 45,027,762.21/8,343.60
  6. Step 6: Final answer
    x = 5,396.68

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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.