Home / 5,628.25-7,761.93-4,687.15

Finding the Fourth Proportional to 5,628.25, 7,761.93 and 4,687.15

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Solution

The fourth proportional to 5,628.25, 7,761.93 and 4,687.15 is: 6,464.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.25 : 7,761.93 = 4,687.15 : x
  2. Step 2: Convert to fraction form
    5,628.25/7,761.93 = 4,687.15/x
  3. Step 3: Cross multiply
    5,628.25x = 7,761.93 × 4,687.15
  4. Step 4: Simplify right side
    5,628.25x = 36,381,330.20
  5. Step 5: Solve for x
    x = 36,381,330.20/5,628.25
  6. Step 6: Final answer
    x = 6,464.06

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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.