Home / 5,685.66-8,503.83-3,340.08

Finding the Fourth Proportional to 5,685.66, 8,503.83 and 3,340.08

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Solution

The fourth proportional to 5,685.66, 8,503.83 and 3,340.08 is: 4,995.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,685.66 : 8,503.83 = 3,340.08 : x
  2. Step 2: Convert to fraction form
    5,685.66/8,503.83 = 3,340.08/x
  3. Step 3: Cross multiply
    5,685.66x = 8,503.83 × 3,340.08
  4. Step 4: Simplify right side
    5,685.66x = 28,403,472.51
  5. Step 5: Solve for x
    x = 28,403,472.51/5,685.66
  6. Step 6: Final answer
    x = 4,995.63

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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.