Home / 6,489.17-8,946.11-4,895.09

Finding the Fourth Proportional to 6,489.17, 8,946.11 and 4,895.09

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Solution

The fourth proportional to 6,489.17, 8,946.11 and 4,895.09 is: 6,748.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,489.17 : 8,946.11 = 4,895.09 : x
  2. Step 2: Convert to fraction form
    6,489.17/8,946.11 = 4,895.09/x
  3. Step 3: Cross multiply
    6,489.17x = 8,946.11 × 4,895.09
  4. Step 4: Simplify right side
    6,489.17x = 43,792,013.60
  5. Step 5: Solve for x
    x = 43,792,013.60/6,489.17
  6. Step 6: Final answer
    x = 6,748.48

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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.