Home / 5,311.37-7,970.40-2,024.80

Finding the Fourth Proportional to 5,311.37, 7,970.40 and 2,024.80

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Solution

The fourth proportional to 5,311.37, 7,970.40 and 2,024.80 is: 3,038.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,311.37 : 7,970.40 = 2,024.80 : x
  2. Step 2: Convert to fraction form
    5,311.37/7,970.40 = 2,024.80/x
  3. Step 3: Cross multiply
    5,311.37x = 7,970.40 × 2,024.80
  4. Step 4: Simplify right side
    5,311.37x = 16,138,445.99
  5. Step 5: Solve for x
    x = 16,138,445.99/5,311.37
  6. Step 6: Final answer
    x = 3,038.47

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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.