Home / 4,087.48-6,129.66-2,913.40

Finding the Fourth Proportional to 4,087.48, 6,129.66 and 2,913.40

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Solution

The fourth proportional to 4,087.48, 6,129.66 and 2,913.40 is: 4,368.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.48 : 6,129.66 = 2,913.40 : x
  2. Step 2: Convert to fraction form
    4,087.48/6,129.66 = 2,913.40/x
  3. Step 3: Cross multiply
    4,087.48x = 6,129.66 × 2,913.40
  4. Step 4: Simplify right side
    4,087.48x = 17,858,151.44
  5. Step 5: Solve for x
    x = 17,858,151.44/4,087.48
  6. Step 6: Final answer
    x = 4,368.99

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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.