Home / 4,339.89-6,510.65-1,418.36

Finding the Fourth Proportional to 4,339.89, 6,510.65 and 1,418.36

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Solution

The fourth proportional to 4,339.89, 6,510.65 and 1,418.36 is: 2,127.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,339.89 : 6,510.65 = 1,418.36 : x
  2. Step 2: Convert to fraction form
    4,339.89/6,510.65 = 1,418.36/x
  3. Step 3: Cross multiply
    4,339.89x = 6,510.65 × 1,418.36
  4. Step 4: Simplify right side
    4,339.89x = 9,234,405.89
  5. Step 5: Solve for x
    x = 9,234,405.89/4,339.89
  6. Step 6: Final answer
    x = 2,127.80

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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.