Home / 4,975.17-6,866.07-2,879.30

Finding the Fourth Proportional to 4,975.17, 6,866.07 and 2,879.30

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Solution

The fourth proportional to 4,975.17, 6,866.07 and 2,879.30 is: 3,973.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,975.17 : 6,866.07 = 2,879.30 : x
  2. Step 2: Convert to fraction form
    4,975.17/6,866.07 = 2,879.30/x
  3. Step 3: Cross multiply
    4,975.17x = 6,866.07 × 2,879.30
  4. Step 4: Simplify right side
    4,975.17x = 19,769,443.10
  5. Step 5: Solve for x
    x = 19,769,443.10/4,975.17
  6. Step 6: Final answer
    x = 3,973.62

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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.