Home / 5,389.08-8,077.14-2,923.80

Finding the Fourth Proportional to 5,389.08, 8,077.14 and 2,923.80

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Solution

The fourth proportional to 5,389.08, 8,077.14 and 2,923.80 is: 4,382.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.08 : 8,077.14 = 2,923.80 : x
  2. Step 2: Convert to fraction form
    5,389.08/8,077.14 = 2,923.80/x
  3. Step 3: Cross multiply
    5,389.08x = 8,077.14 × 2,923.80
  4. Step 4: Simplify right side
    5,389.08x = 23,615,941.93
  5. Step 5: Solve for x
    x = 23,615,941.93/5,389.08
  6. Step 6: Final answer
    x = 4,382.18

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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.