Home / 4,378.16-6,042.38-2,765.42

Finding the Fourth Proportional to 4,378.16, 6,042.38 and 2,765.42

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Solution

The fourth proportional to 4,378.16, 6,042.38 and 2,765.42 is: 3,816.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.16 : 6,042.38 = 2,765.42 : x
  2. Step 2: Convert to fraction form
    4,378.16/6,042.38 = 2,765.42/x
  3. Step 3: Cross multiply
    4,378.16x = 6,042.38 × 2,765.42
  4. Step 4: Simplify right side
    4,378.16x = 16,709,674.46
  5. Step 5: Solve for x
    x = 16,709,674.46/4,378.16
  6. Step 6: Final answer
    x = 3,816.60

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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.