Home / 5,345.77-8,019.73-1,647.85

Finding the Fourth Proportional to 5,345.77, 8,019.73 and 1,647.85

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Solution

The fourth proportional to 5,345.77, 8,019.73 and 1,647.85 is: 2,472.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.77 : 8,019.73 = 1,647.85 : x
  2. Step 2: Convert to fraction form
    5,345.77/8,019.73 = 1,647.85/x
  3. Step 3: Cross multiply
    5,345.77x = 8,019.73 × 1,647.85
  4. Step 4: Simplify right side
    5,345.77x = 13,215,271.98
  5. Step 5: Solve for x
    x = 13,215,271.98/5,345.77
  6. Step 6: Final answer
    x = 2,472.10

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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.