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Finding the Fourth Proportional to 6,384.80, 8,803.76 and 4,495.78

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Solution

The fourth proportional to 6,384.80, 8,803.76 and 4,495.78 is: 6,199.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,384.80 : 8,803.76 = 4,495.78 : x
  2. Step 2: Convert to fraction form
    6,384.80/8,803.76 = 4,495.78/x
  3. Step 3: Cross multiply
    6,384.80x = 8,803.76 × 4,495.78
  4. Step 4: Simplify right side
    6,384.80x = 39,579,768.13
  5. Step 5: Solve for x
    x = 39,579,768.13/6,384.80
  6. Step 6: Final answer
    x = 6,199.06

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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.