Home / 5,434.48-7,499.30-3,076.64

Finding the Fourth Proportional to 5,434.48, 7,499.30 and 3,076.64

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Solution

The fourth proportional to 5,434.48, 7,499.30 and 3,076.64 is: 4,245.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434.48 : 7,499.30 = 3,076.64 : x
  2. Step 2: Convert to fraction form
    5,434.48/7,499.30 = 3,076.64/x
  3. Step 3: Cross multiply
    5,434.48x = 7,499.30 × 3,076.64
  4. Step 4: Simplify right side
    5,434.48x = 23,072,646.35
  5. Step 5: Solve for x
    x = 23,072,646.35/5,434.48
  6. Step 6: Final answer
    x = 4,245.60

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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.