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Finding the Fourth Proportional to 8,698.17, 13,050.51 and 5,187.63

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Solution

The fourth proportional to 8,698.17, 13,050.51 and 5,187.63 is: 7,783.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,698.17 : 13,050.51 = 5,187.63 : x
  2. Step 2: Convert to fraction form
    8,698.17/13,050.51 = 5,187.63/x
  3. Step 3: Cross multiply
    8,698.17x = 13,050.51 × 5,187.63
  4. Step 4: Simplify right side
    8,698.17x = 67,701,217.19
  5. Step 5: Solve for x
    x = 67,701,217.19/8,698.17
  6. Step 6: Final answer
    x = 7,783.39

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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.