Home / 5,350.64-8,014.20-4,415.60

Finding the Fourth Proportional to 5,350.64, 8,014.20 and 4,415.60

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Solution

The fourth proportional to 5,350.64, 8,014.20 and 4,415.60 is: 6,613.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,350.64 : 8,014.20 = 4,415.60 : x
  2. Step 2: Convert to fraction form
    5,350.64/8,014.20 = 4,415.60/x
  3. Step 3: Cross multiply
    5,350.64x = 8,014.20 × 4,415.60
  4. Step 4: Simplify right side
    5,350.64x = 35,387,501.52
  5. Step 5: Solve for x
    x = 35,387,501.52/5,350.64
  6. Step 6: Final answer
    x = 6,613.70

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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.