Home / 5,415.95-8,124.05-2,642.24

Finding the Fourth Proportional to 5,415.95, 8,124.05 and 2,642.24

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Solution

The fourth proportional to 5,415.95, 8,124.05 and 2,642.24 is: 3,963.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415.95 : 8,124.05 = 2,642.24 : x
  2. Step 2: Convert to fraction form
    5,415.95/8,124.05 = 2,642.24/x
  3. Step 3: Cross multiply
    5,415.95x = 8,124.05 × 2,642.24
  4. Step 4: Simplify right side
    5,415.95x = 21,465,689.87
  5. Step 5: Solve for x
    x = 21,465,689.87/5,415.95
  6. Step 6: Final answer
    x = 3,963.42

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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.