Home / 4,979.04-7,460.96-2,378.40

Finding the Fourth Proportional to 4,979.04, 7,460.96 and 2,378.40

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Solution

The fourth proportional to 4,979.04, 7,460.96 and 2,378.40 is: 3,563.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.04 : 7,460.96 = 2,378.40 : x
  2. Step 2: Convert to fraction form
    4,979.04/7,460.96 = 2,378.40/x
  3. Step 3: Cross multiply
    4,979.04x = 7,460.96 × 2,378.40
  4. Step 4: Simplify right side
    4,979.04x = 17,745,147.26
  5. Step 5: Solve for x
    x = 17,745,147.26/4,979.04
  6. Step 6: Final answer
    x = 3,563.97

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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.