Home / 5,389.09-8,077.02-2,574.70

Finding the Fourth Proportional to 5,389.09, 8,077.02 and 2,574.70

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Solution

The fourth proportional to 5,389.09, 8,077.02 and 2,574.70 is: 3,858.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.09 : 8,077.02 = 2,574.70 : x
  2. Step 2: Convert to fraction form
    5,389.09/8,077.02 = 2,574.70/x
  3. Step 3: Cross multiply
    5,389.09x = 8,077.02 × 2,574.70
  4. Step 4: Simplify right side
    5,389.09x = 20,795,903.39
  5. Step 5: Solve for x
    x = 20,795,903.39/5,389.09
  6. Step 6: Final answer
    x = 3,858.89

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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.