Home / 4,087.59-6,130.51-1,865.79

Finding the Fourth Proportional to 4,087.59, 6,130.51 and 1,865.79

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Solution

The fourth proportional to 4,087.59, 6,130.51 and 1,865.79 is: 2,798.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.59 : 6,130.51 = 1,865.79 : x
  2. Step 2: Convert to fraction form
    4,087.59/6,130.51 = 1,865.79/x
  3. Step 3: Cross multiply
    4,087.59x = 6,130.51 × 1,865.79
  4. Step 4: Simplify right side
    4,087.59x = 11,438,239.59
  5. Step 5: Solve for x
    x = 11,438,239.59/4,087.59
  6. Step 6: Final answer
    x = 2,798.29

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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.