Home / 8,388.37-11,575.01-5,031.32

Finding the Fourth Proportional to 8,388.37, 11,575.01 and 5,031.32

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Solution

The fourth proportional to 8,388.37, 11,575.01 and 5,031.32 is: 6,942.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,388.37 : 11,575.01 = 5,031.32 : x
  2. Step 2: Convert to fraction form
    8,388.37/11,575.01 = 5,031.32/x
  3. Step 3: Cross multiply
    8,388.37x = 11,575.01 × 5,031.32
  4. Step 4: Simplify right side
    8,388.37x = 58,237,579.31
  5. Step 5: Solve for x
    x = 58,237,579.31/8,388.37
  6. Step 6: Final answer
    x = 6,942.66

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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.