Home / 4,979.48-7,464.90-2,378.84

Finding the Fourth Proportional to 4,979.48, 7,464.90 and 2,378.84

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Solution

The fourth proportional to 4,979.48, 7,464.90 and 2,378.84 is: 3,566.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.48 : 7,464.90 = 2,378.84 : x
  2. Step 2: Convert to fraction form
    4,979.48/7,464.90 = 2,378.84/x
  3. Step 3: Cross multiply
    4,979.48x = 7,464.90 × 2,378.84
  4. Step 4: Simplify right side
    4,979.48x = 17,757,802.72
  5. Step 5: Solve for x
    x = 17,757,802.72/4,979.48
  6. Step 6: Final answer
    x = 3,566.20

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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.