Home / 5,781.84-8,673.35-1,621.86

Finding the Fourth Proportional to 5,781.84, 8,673.35 and 1,621.86

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Solution

The fourth proportional to 5,781.84, 8,673.35 and 1,621.86 is: 2,432.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,781.84 : 8,673.35 = 1,621.86 : x
  2. Step 2: Convert to fraction form
    5,781.84/8,673.35 = 1,621.86/x
  3. Step 3: Cross multiply
    5,781.84x = 8,673.35 × 1,621.86
  4. Step 4: Simplify right side
    5,781.84x = 14,066,951.32
  5. Step 5: Solve for x
    x = 14,066,951.32/5,781.84
  6. Step 6: Final answer
    x = 2,432.95

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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.