Home / 5,346.26-8,020.62-1,648.40

Finding the Fourth Proportional to 5,346.26, 8,020.62 and 1,648.40

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Solution

The fourth proportional to 5,346.26, 8,020.62 and 1,648.40 is: 2,472.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,346.26 : 8,020.62 = 1,648.40 : x
  2. Step 2: Convert to fraction form
    5,346.26/8,020.62 = 1,648.40/x
  3. Step 3: Cross multiply
    5,346.26x = 8,020.62 × 1,648.40
  4. Step 4: Simplify right side
    5,346.26x = 13,221,210.06
  5. Step 5: Solve for x
    x = 13,221,210.06/5,346.26
  6. Step 6: Final answer
    x = 2,472.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.