Home / 4,479.80-6,717.65-2,399.45

Finding the Fourth Proportional to 4,479.80, 6,717.65 and 2,399.45

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Solution

The fourth proportional to 4,479.80, 6,717.65 and 2,399.45 is: 3,598.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.80 : 6,717.65 = 2,399.45 : x
  2. Step 2: Convert to fraction form
    4,479.80/6,717.65 = 2,399.45/x
  3. Step 3: Cross multiply
    4,479.80x = 6,717.65 × 2,399.45
  4. Step 4: Simplify right side
    4,479.80x = 16,118,619.71
  5. Step 5: Solve for x
    x = 16,118,619.71/4,479.80
  6. Step 6: Final answer
    x = 3,598.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.