Home / 4,479.78-6,182.46-2,490.72

Finding the Fourth Proportional to 4,479.78, 6,182.46 and 2,490.72

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Solution

The fourth proportional to 4,479.78, 6,182.46 and 2,490.72 is: 3,437.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.78 : 6,182.46 = 2,490.72 : x
  2. Step 2: Convert to fraction form
    4,479.78/6,182.46 = 2,490.72/x
  3. Step 3: Cross multiply
    4,479.78x = 6,182.46 × 2,490.72
  4. Step 4: Simplify right side
    4,479.78x = 15,398,776.77
  5. Step 5: Solve for x
    x = 15,398,776.77/4,479.78
  6. Step 6: Final answer
    x = 3,437.40

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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.