Home / 6,505.83-8,977.98-3,521.64

Finding the Fourth Proportional to 6,505.83, 8,977.98 and 3,521.64

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Solution

The fourth proportional to 6,505.83, 8,977.98 and 3,521.64 is: 4,859.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,505.83 : 8,977.98 = 3,521.64 : x
  2. Step 2: Convert to fraction form
    6,505.83/8,977.98 = 3,521.64/x
  3. Step 3: Cross multiply
    6,505.83x = 8,977.98 × 3,521.64
  4. Step 4: Simplify right side
    6,505.83x = 31,617,213.49
  5. Step 5: Solve for x
    x = 31,617,213.49/6,505.83
  6. Step 6: Final answer
    x = 4,859.83

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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.