Home / 4,478.42-6,179.28-2,710.16

Finding the Fourth Proportional to 4,478.42, 6,179.28 and 2,710.16

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Solution

The fourth proportional to 4,478.42, 6,179.28 and 2,710.16 is: 3,739.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.42 : 6,179.28 = 2,710.16 : x
  2. Step 2: Convert to fraction form
    4,478.42/6,179.28 = 2,710.16/x
  3. Step 3: Cross multiply
    4,478.42x = 6,179.28 × 2,710.16
  4. Step 4: Simplify right side
    4,478.42x = 16,746,837.48
  5. Step 5: Solve for x
    x = 16,746,837.48/4,478.42
  6. Step 6: Final answer
    x = 3,739.45

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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.