Home / 4,012.66-5,539.62-2,688.63

Finding the Fourth Proportional to 4,012.66, 5,539.62 and 2,688.63

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Solution

The fourth proportional to 4,012.66, 5,539.62 and 2,688.63 is: 3,711.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,012.66 : 5,539.62 = 2,688.63 : x
  2. Step 2: Convert to fraction form
    4,012.66/5,539.62 = 2,688.63/x
  3. Step 3: Cross multiply
    4,012.66x = 5,539.62 × 2,688.63
  4. Step 4: Simplify right side
    4,012.66x = 14,893,988.52
  5. Step 5: Solve for x
    x = 14,893,988.52/4,012.66
  6. Step 6: Final answer
    x = 3,711.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.