Home / 5,327.92-7,352.78-2,970.08

Finding the Fourth Proportional to 5,327.92, 7,352.78 and 2,970.08

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Solution

The fourth proportional to 5,327.92, 7,352.78 and 2,970.08 is: 4,098.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327.92 : 7,352.78 = 2,970.08 : x
  2. Step 2: Convert to fraction form
    5,327.92/7,352.78 = 2,970.08/x
  3. Step 3: Cross multiply
    5,327.92x = 7,352.78 × 2,970.08
  4. Step 4: Simplify right side
    5,327.92x = 21,838,293.21
  5. Step 5: Solve for x
    x = 21,838,293.21/5,327.92
  6. Step 6: Final answer
    x = 4,098.84

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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.