Home / 6,455.83-8,909.66-3,623.21

Finding the Fourth Proportional to 6,455.83, 8,909.66 and 3,623.21

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Solution

The fourth proportional to 6,455.83, 8,909.66 and 3,623.21 is: 5,000.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,455.83 : 8,909.66 = 3,623.21 : x
  2. Step 2: Convert to fraction form
    6,455.83/8,909.66 = 3,623.21/x
  3. Step 3: Cross multiply
    6,455.83x = 8,909.66 × 3,623.21
  4. Step 4: Simplify right side
    6,455.83x = 32,281,533.72
  5. Step 5: Solve for x
    x = 32,281,533.72/6,455.83
  6. Step 6: Final answer
    x = 5,000.37

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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.