Home / 5,319.29-7,340.30-2,928.84

Finding the Fourth Proportional to 5,319.29, 7,340.30 and 2,928.84

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Solution

The fourth proportional to 5,319.29, 7,340.30 and 2,928.84 is: 4,041.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.29 : 7,340.30 = 2,928.84 : x
  2. Step 2: Convert to fraction form
    5,319.29/7,340.30 = 2,928.84/x
  3. Step 3: Cross multiply
    5,319.29x = 7,340.30 × 2,928.84
  4. Step 4: Simplify right side
    5,319.29x = 21,498,549.61
  5. Step 5: Solve for x
    x = 21,498,549.61/5,319.29
  6. Step 6: Final answer
    x = 4,041.62

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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.