Home / 5,160.35-7,741.83-2,389.02

Finding the Fourth Proportional to 5,160.35, 7,741.83 and 2,389.02

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Solution

The fourth proportional to 5,160.35, 7,741.83 and 2,389.02 is: 3,584.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160.35 : 7,741.83 = 2,389.02 : x
  2. Step 2: Convert to fraction form
    5,160.35/7,741.83 = 2,389.02/x
  3. Step 3: Cross multiply
    5,160.35x = 7,741.83 × 2,389.02
  4. Step 4: Simplify right side
    5,160.35x = 18,495,386.71
  5. Step 5: Solve for x
    x = 18,495,386.71/5,160.35
  6. Step 6: Final answer
    x = 3,584.13

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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.