Home / 5,605.48-8,410.38-2,145.16

Finding the Fourth Proportional to 5,605.48, 8,410.38 and 2,145.16

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Solution

The fourth proportional to 5,605.48, 8,410.38 and 2,145.16 is: 3,218.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,605.48 : 8,410.38 = 2,145.16 : x
  2. Step 2: Convert to fraction form
    5,605.48/8,410.38 = 2,145.16/x
  3. Step 3: Cross multiply
    5,605.48x = 8,410.38 × 2,145.16
  4. Step 4: Simplify right side
    5,605.48x = 18,041,610.76
  5. Step 5: Solve for x
    x = 18,041,610.76/5,605.48
  6. Step 6: Final answer
    x = 3,218.57

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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.