Home / 5,345.62-8,017.81-1,647.54

Finding the Fourth Proportional to 5,345.62, 8,017.81 and 1,647.54

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Solution

The fourth proportional to 5,345.62, 8,017.81 and 1,647.54 is: 2,471.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.62 : 8,017.81 = 1,647.54 : x
  2. Step 2: Convert to fraction form
    5,345.62/8,017.81 = 1,647.54/x
  3. Step 3: Cross multiply
    5,345.62x = 8,017.81 × 1,647.54
  4. Step 4: Simplify right side
    5,345.62x = 13,209,662.69
  5. Step 5: Solve for x
    x = 13,209,662.69/5,345.62
  6. Step 6: Final answer
    x = 2,471.12

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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.