Home / 6,620.02-9,931.52-2,237.36

Finding the Fourth Proportional to 6,620.02, 9,931.52 and 2,237.36

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Solution

The fourth proportional to 6,620.02, 9,931.52 and 2,237.36 is: 3,356.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620.02 : 9,931.52 = 2,237.36 : x
  2. Step 2: Convert to fraction form
    6,620.02/9,931.52 = 2,237.36/x
  3. Step 3: Cross multiply
    6,620.02x = 9,931.52 × 2,237.36
  4. Step 4: Simplify right side
    6,620.02x = 22,220,341.52
  5. Step 5: Solve for x
    x = 22,220,341.52/6,620.02
  6. Step 6: Final answer
    x = 3,356.54

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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.