Home / 6,415.85-8,851.43-4,024.80

Finding the Fourth Proportional to 6,415.85, 8,851.43 and 4,024.80

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Solution

The fourth proportional to 6,415.85, 8,851.43 and 4,024.80 is: 5,552.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,415.85 : 8,851.43 = 4,024.80 : x
  2. Step 2: Convert to fraction form
    6,415.85/8,851.43 = 4,024.80/x
  3. Step 3: Cross multiply
    6,415.85x = 8,851.43 × 4,024.80
  4. Step 4: Simplify right side
    6,415.85x = 35,625,235.33
  5. Step 5: Solve for x
    x = 35,625,235.33/6,415.85
  6. Step 6: Final answer
    x = 5,552.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.