Home / 8,124.78-11,213.06-4,587.34

Finding the Fourth Proportional to 8,124.78, 11,213.06 and 4,587.34

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Solution

The fourth proportional to 8,124.78, 11,213.06 and 4,587.34 is: 6,331.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.78 : 11,213.06 = 4,587.34 : x
  2. Step 2: Convert to fraction form
    8,124.78/11,213.06 = 4,587.34/x
  3. Step 3: Cross multiply
    8,124.78x = 11,213.06 × 4,587.34
  4. Step 4: Simplify right side
    8,124.78x = 51,438,118.66
  5. Step 5: Solve for x
    x = 51,438,118.66/8,124.78
  6. Step 6: Final answer
    x = 6,331.02

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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.