Home / 5,076.96-7,614.36-1,615.20

Finding the Fourth Proportional to 5,076.96, 7,614.36 and 1,615.20

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Solution

The fourth proportional to 5,076.96, 7,614.36 and 1,615.20 is: 2,422.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.96 : 7,614.36 = 1,615.20 : x
  2. Step 2: Convert to fraction form
    5,076.96/7,614.36 = 1,615.20/x
  3. Step 3: Cross multiply
    5,076.96x = 7,614.36 × 1,615.20
  4. Step 4: Simplify right side
    5,076.96x = 12,298,714.27
  5. Step 5: Solve for x
    x = 12,298,714.27/5,076.96
  6. Step 6: Final answer
    x = 2,422.46

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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.