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Finding the Fourth Proportional to 6,469.04, 8,927.64 and 4,894.40

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Solution

The fourth proportional to 6,469.04, 8,927.64 and 4,894.40 is: 6,754.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,469.04 : 8,927.64 = 4,894.40 : x
  2. Step 2: Convert to fraction form
    6,469.04/8,927.64 = 4,894.40/x
  3. Step 3: Cross multiply
    6,469.04x = 8,927.64 × 4,894.40
  4. Step 4: Simplify right side
    6,469.04x = 43,695,441.22
  5. Step 5: Solve for x
    x = 43,695,441.22/6,469.04
  6. Step 6: Final answer
    x = 6,754.55

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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.