Home / 4,280.86-6,411.95-2,632.41

Finding the Fourth Proportional to 4,280.86, 6,411.95 and 2,632.41

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Solution

The fourth proportional to 4,280.86, 6,411.95 and 2,632.41 is: 3,942.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280.86 : 6,411.95 = 2,632.41 : x
  2. Step 2: Convert to fraction form
    4,280.86/6,411.95 = 2,632.41/x
  3. Step 3: Cross multiply
    4,280.86x = 6,411.95 × 2,632.41
  4. Step 4: Simplify right side
    4,280.86x = 16,878,881.30
  5. Step 5: Solve for x
    x = 16,878,881.30/4,280.86
  6. Step 6: Final answer
    x = 3,942.87

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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.