Home / 5,839.66-8,756.86-1,678.72

Finding the Fourth Proportional to 5,839.66, 8,756.86 and 1,678.72

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Solution

The fourth proportional to 5,839.66, 8,756.86 and 1,678.72 is: 2,517.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,839.66 : 8,756.86 = 1,678.72 : x
  2. Step 2: Convert to fraction form
    5,839.66/8,756.86 = 1,678.72/x
  3. Step 3: Cross multiply
    5,839.66x = 8,756.86 × 1,678.72
  4. Step 4: Simplify right side
    5,839.66x = 14,700,316.02
  5. Step 5: Solve for x
    x = 14,700,316.02/5,839.66
  6. Step 6: Final answer
    x = 2,517.32

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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.