Home / 4,479.79-6,182.08-2,490.40

Finding the Fourth Proportional to 4,479.79, 6,182.08 and 2,490.40

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Solution

The fourth proportional to 4,479.79, 6,182.08 and 2,490.40 is: 3,436.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.79 : 6,182.08 = 2,490.40 : x
  2. Step 2: Convert to fraction form
    4,479.79/6,182.08 = 2,490.40/x
  3. Step 3: Cross multiply
    4,479.79x = 6,182.08 × 2,490.40
  4. Step 4: Simplify right side
    4,479.79x = 15,395,852.03
  5. Step 5: Solve for x
    x = 15,395,852.03/4,479.79
  6. Step 6: Final answer
    x = 3,436.74

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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.