Home / 4,208.31-6,312.02-1,868.36

Finding the Fourth Proportional to 4,208.31, 6,312.02 and 1,868.36

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Solution

The fourth proportional to 4,208.31, 6,312.02 and 1,868.36 is: 2,802.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,208.31 : 6,312.02 = 1,868.36 : x
  2. Step 2: Convert to fraction form
    4,208.31/6,312.02 = 1,868.36/x
  3. Step 3: Cross multiply
    4,208.31x = 6,312.02 × 1,868.36
  4. Step 4: Simplify right side
    4,208.31x = 11,793,084.79
  5. Step 5: Solve for x
    x = 11,793,084.79/4,208.31
  6. Step 6: Final answer
    x = 2,802.33

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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.