Home / 8,770.48-13,165.58-3,509.21

Finding the Fourth Proportional to 8,770.48, 13,165.58 and 3,509.21

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Solution

The fourth proportional to 8,770.48, 13,165.58 and 3,509.21 is: 5,267.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,770.48 : 13,165.58 = 3,509.21 : x
  2. Step 2: Convert to fraction form
    8,770.48/13,165.58 = 3,509.21/x
  3. Step 3: Cross multiply
    8,770.48x = 13,165.58 × 3,509.21
  4. Step 4: Simplify right side
    8,770.48x = 46,200,746.86
  5. Step 5: Solve for x
    x = 46,200,746.86/8,770.48
  6. Step 6: Final answer
    x = 5,267.75

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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.