Home / 5,345.73-8,019.35-1,648.26

Finding the Fourth Proportional to 5,345.73, 8,019.35 and 1,648.26

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Solution

The fourth proportional to 5,345.73, 8,019.35 and 1,648.26 is: 2,472.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.73 : 8,019.35 = 1,648.26 : x
  2. Step 2: Convert to fraction form
    5,345.73/8,019.35 = 1,648.26/x
  3. Step 3: Cross multiply
    5,345.73x = 8,019.35 × 1,648.26
  4. Step 4: Simplify right side
    5,345.73x = 13,217,973.83
  5. Step 5: Solve for x
    x = 13,217,973.83/5,345.73
  6. Step 6: Final answer
    x = 2,472.62

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1.5x scale

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.