Home / 5,345.19-8,016.57-2,570.43

Finding the Fourth Proportional to 5,345.19, 8,016.57 and 2,570.43

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Solution

The fourth proportional to 5,345.19, 8,016.57 and 2,570.43 is: 3,855.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.19 : 8,016.57 = 2,570.43 : x
  2. Step 2: Convert to fraction form
    5,345.19/8,016.57 = 2,570.43/x
  3. Step 3: Cross multiply
    5,345.19x = 8,016.57 × 2,570.43
  4. Step 4: Simplify right side
    5,345.19x = 20,606,062.09
  5. Step 5: Solve for x
    x = 20,606,062.09/5,345.19
  6. Step 6: Final answer
    x = 3,855.07

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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.