Home / 5,239.17-7,228.53-3,114.63

Finding the Fourth Proportional to 5,239.17, 7,228.53 and 3,114.63

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Solution

The fourth proportional to 5,239.17, 7,228.53 and 3,114.63 is: 4,297.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.17 : 7,228.53 = 3,114.63 : x
  2. Step 2: Convert to fraction form
    5,239.17/7,228.53 = 3,114.63/x
  3. Step 3: Cross multiply
    5,239.17x = 7,228.53 × 3,114.63
  4. Step 4: Simplify right side
    5,239.17x = 22,514,196.39
  5. Step 5: Solve for x
    x = 22,514,196.39/5,239.17
  6. Step 6: Final answer
    x = 4,297.28

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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.