Home / 5,354.13-8,028.32-2,430.84

Finding the Fourth Proportional to 5,354.13, 8,028.32 and 2,430.84

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Solution

The fourth proportional to 5,354.13, 8,028.32 and 2,430.84 is: 3,644.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,354.13 : 8,028.32 = 2,430.84 : x
  2. Step 2: Convert to fraction form
    5,354.13/8,028.32 = 2,430.84/x
  3. Step 3: Cross multiply
    5,354.13x = 8,028.32 × 2,430.84
  4. Step 4: Simplify right side
    5,354.13x = 19,515,579.34
  5. Step 5: Solve for x
    x = 19,515,579.34/5,354.13
  6. Step 6: Final answer
    x = 3,644.96

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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.