Home / 5,430.20-7,493.70-3,072.83

Finding the Fourth Proportional to 5,430.20, 7,493.70 and 3,072.83

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Solution

The fourth proportional to 5,430.20, 7,493.70 and 3,072.83 is: 4,240.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.20 : 7,493.70 = 3,072.83 : x
  2. Step 2: Convert to fraction form
    5,430.20/7,493.70 = 3,072.83/x
  3. Step 3: Cross multiply
    5,430.20x = 7,493.70 × 3,072.83
  4. Step 4: Simplify right side
    5,430.20x = 23,026,828.70
  5. Step 5: Solve for x
    x = 23,026,828.70/5,430.20
  6. Step 6: Final answer
    x = 4,240.52

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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.