Home / 5,020.42-6,928.18-2,782.63

Finding the Fourth Proportional to 5,020.42, 6,928.18 and 2,782.63

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Solution

The fourth proportional to 5,020.42, 6,928.18 and 2,782.63 is: 3,840.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,020.42 : 6,928.18 = 2,782.63 : x
  2. Step 2: Convert to fraction form
    5,020.42/6,928.18 = 2,782.63/x
  3. Step 3: Cross multiply
    5,020.42x = 6,928.18 × 2,782.63
  4. Step 4: Simplify right side
    5,020.42x = 19,278,552.74
  5. Step 5: Solve for x
    x = 19,278,552.74/5,020.42
  6. Step 6: Final answer
    x = 3,840.03

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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.