Home / 4,819.24-7,230.30-2,355.40

Finding the Fourth Proportional to 4,819.24, 7,230.30 and 2,355.40

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Solution

The fourth proportional to 4,819.24, 7,230.30 and 2,355.40 is: 3,533.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.24 : 7,230.30 = 2,355.40 : x
  2. Step 2: Convert to fraction form
    4,819.24/7,230.30 = 2,355.40/x
  3. Step 3: Cross multiply
    4,819.24x = 7,230.30 × 2,355.40
  4. Step 4: Simplify right side
    4,819.24x = 17,030,248.62
  5. Step 5: Solve for x
    x = 17,030,248.62/4,819.24
  6. Step 6: Final answer
    x = 3,533.80

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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.