Home / 8,402.19-11,595.31-4,625.60

Finding the Fourth Proportional to 8,402.19, 11,595.31 and 4,625.60

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Solution

The fourth proportional to 8,402.19, 11,595.31 and 4,625.60 is: 6,383.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,402.19 : 11,595.31 = 4,625.60 : x
  2. Step 2: Convert to fraction form
    8,402.19/11,595.31 = 4,625.60/x
  3. Step 3: Cross multiply
    8,402.19x = 11,595.31 × 4,625.60
  4. Step 4: Simplify right side
    8,402.19x = 53,635,196.40
  5. Step 5: Solve for x
    x = 53,635,196.40/8,402.19
  6. Step 6: Final answer
    x = 6,383.48

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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.