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Finding the Fourth Proportional to 4,386.31, 6,609.05 and 3,623.40

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Solution

The fourth proportional to 4,386.31, 6,609.05 and 3,623.40 is: 5,459.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,386.31 : 6,609.05 = 3,623.40 : x
  2. Step 2: Convert to fraction form
    4,386.31/6,609.05 = 3,623.40/x
  3. Step 3: Cross multiply
    4,386.31x = 6,609.05 × 3,623.40
  4. Step 4: Simplify right side
    4,386.31x = 23,947,240.83
  5. Step 5: Solve for x
    x = 23,947,240.83/4,386.31
  6. Step 6: Final answer
    x = 5,459.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.