Home / 5,781.02-8,671.66-1,885.74

Finding the Fourth Proportional to 5,781.02, 8,671.66 and 1,885.74

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Solution

The fourth proportional to 5,781.02, 8,671.66 and 1,885.74 is: 2,828.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,781.02 : 8,671.66 = 1,885.74 : x
  2. Step 2: Convert to fraction form
    5,781.02/8,671.66 = 1,885.74/x
  3. Step 3: Cross multiply
    5,781.02x = 8,671.66 × 1,885.74
  4. Step 4: Simplify right side
    5,781.02x = 16,352,496.13
  5. Step 5: Solve for x
    x = 16,352,496.13/5,781.02
  6. Step 6: Final answer
    x = 2,828.65

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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.