Home / 4,819.30-7,229.93-2,740.30

Finding the Fourth Proportional to 4,819.30, 7,229.93 and 2,740.30

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Solution

The fourth proportional to 4,819.30, 7,229.93 and 2,740.30 is: 4,111.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.30 : 7,229.93 = 2,740.30 : x
  2. Step 2: Convert to fraction form
    4,819.30/7,229.93 = 2,740.30/x
  3. Step 3: Cross multiply
    4,819.30x = 7,229.93 × 2,740.30
  4. Step 4: Simplify right side
    4,819.30x = 19,812,145.40
  5. Step 5: Solve for x
    x = 19,812,145.40/4,819.30
  6. Step 6: Final answer
    x = 4,111.00

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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.