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Finding the Fourth Proportional to 6,520.88, 8,995.38 and 4,748.60

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Solution

The fourth proportional to 6,520.88, 8,995.38 and 4,748.60 is: 6,550.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520.88 : 8,995.38 = 4,748.60 : x
  2. Step 2: Convert to fraction form
    6,520.88/8,995.38 = 4,748.60/x
  3. Step 3: Cross multiply
    6,520.88x = 8,995.38 × 4,748.60
  4. Step 4: Simplify right side
    6,520.88x = 42,715,461.47
  5. Step 5: Solve for x
    x = 42,715,461.47/6,520.88
  6. Step 6: Final answer
    x = 6,550.57

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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.