Home / 6,621.78-9,925.80-2,237.76

Finding the Fourth Proportional to 6,621.78, 9,925.80 and 2,237.76

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Solution

The fourth proportional to 6,621.78, 9,925.80 and 2,237.76 is: 3,354.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,621.78 : 9,925.80 = 2,237.76 : x
  2. Step 2: Convert to fraction form
    6,621.78/9,925.80 = 2,237.76/x
  3. Step 3: Cross multiply
    6,621.78x = 9,925.80 × 2,237.76
  4. Step 4: Simplify right side
    6,621.78x = 22,211,558.21
  5. Step 5: Solve for x
    x = 22,211,558.21/6,621.78
  6. Step 6: Final answer
    x = 3,354.32

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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.