Home / 4,339.90-6,510.86-1,418.23

Finding the Fourth Proportional to 4,339.90, 6,510.86 and 1,418.23

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Solution

The fourth proportional to 4,339.90, 6,510.86 and 1,418.23 is: 2,127.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,339.90 : 6,510.86 = 1,418.23 : x
  2. Step 2: Convert to fraction form
    4,339.90/6,510.86 = 1,418.23/x
  3. Step 3: Cross multiply
    4,339.90x = 6,510.86 × 1,418.23
  4. Step 4: Simplify right side
    4,339.90x = 9,233,896.98
  5. Step 5: Solve for x
    x = 9,233,896.98/4,339.90
  6. Step 6: Final answer
    x = 2,127.68

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1.5x scale

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.