Home / 4,000.63-5,518.30-2,428.73

Finding the Fourth Proportional to 4,000.63, 5,518.30 and 2,428.73

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Solution

The fourth proportional to 4,000.63, 5,518.30 and 2,428.73 is: 3,350.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000.63 : 5,518.30 = 2,428.73 : x
  2. Step 2: Convert to fraction form
    4,000.63/5,518.30 = 2,428.73/x
  3. Step 3: Cross multiply
    4,000.63x = 5,518.30 × 2,428.73
  4. Step 4: Simplify right side
    4,000.63x = 13,402,446.96
  5. Step 5: Solve for x
    x = 13,402,446.96/4,000.63
  6. Step 6: Final answer
    x = 3,350.08

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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.