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Finding the Fourth Proportional to 8,752.98, 13,108.59 and 4,847.70

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Solution

The fourth proportional to 8,752.98, 13,108.59 and 4,847.70 is: 7,259.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,752.98 : 13,108.59 = 4,847.70 : x
  2. Step 2: Convert to fraction form
    8,752.98/13,108.59 = 4,847.70/x
  3. Step 3: Cross multiply
    8,752.98x = 13,108.59 × 4,847.70
  4. Step 4: Simplify right side
    8,752.98x = 63,546,511.74
  5. Step 5: Solve for x
    x = 63,546,511.74/8,752.98
  6. Step 6: Final answer
    x = 7,259.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.