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Finding the Fourth Proportional to 8,698.58, 13,050.27 and 2,859.29

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Solution

The fourth proportional to 8,698.58, 13,050.27 and 2,859.29 is: 4,289.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,698.58 : 13,050.27 = 2,859.29 : x
  2. Step 2: Convert to fraction form
    8,698.58/13,050.27 = 2,859.29/x
  3. Step 3: Cross multiply
    8,698.58x = 13,050.27 × 2,859.29
  4. Step 4: Simplify right side
    8,698.58x = 37,314,441.26
  5. Step 5: Solve for x
    x = 37,314,441.26/8,698.58
  6. Step 6: Final answer
    x = 4,289.72

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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.