Home / 6,505.08-8,976.99-3,520.89

Finding the Fourth Proportional to 6,505.08, 8,976.99 and 3,520.89

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Solution

The fourth proportional to 6,505.08, 8,976.99 and 3,520.89 is: 4,858.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,505.08 : 8,976.99 = 3,520.89 : x
  2. Step 2: Convert to fraction form
    6,505.08/8,976.99 = 3,520.89/x
  3. Step 3: Cross multiply
    6,505.08x = 8,976.99 × 3,520.89
  4. Step 4: Simplify right side
    6,505.08x = 31,606,994.32
  5. Step 5: Solve for x
    x = 31,606,994.32/6,505.08
  6. Step 6: Final answer
    x = 4,858.82

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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.