Home / 6,455.02-8,908.41-3,622.72

Finding the Fourth Proportional to 6,455.02, 8,908.41 and 3,622.72

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Solution

The fourth proportional to 6,455.02, 8,908.41 and 3,622.72 is: 4,999.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,455.02 : 8,908.41 = 3,622.72 : x
  2. Step 2: Convert to fraction form
    6,455.02/8,908.41 = 3,622.72/x
  3. Step 3: Cross multiply
    6,455.02x = 8,908.41 × 3,622.72
  4. Step 4: Simplify right side
    6,455.02x = 32,272,675.08
  5. Step 5: Solve for x
    x = 32,272,675.08/6,455.02
  6. Step 6: Final answer
    x = 4,999.62

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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.