Home / 6,456.24-8,909.25-3,623.35

Finding the Fourth Proportional to 6,456.24, 8,909.25 and 3,623.35

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Solution

The fourth proportional to 6,456.24, 8,909.25 and 3,623.35 is: 5,000.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,456.24 : 8,909.25 = 3,623.35 : x
  2. Step 2: Convert to fraction form
    6,456.24/8,909.25 = 3,623.35/x
  3. Step 3: Cross multiply
    6,456.24x = 8,909.25 × 3,623.35
  4. Step 4: Simplify right side
    6,456.24x = 32,281,312.87
  5. Step 5: Solve for x
    x = 32,281,312.87/6,456.24
  6. Step 6: Final answer
    x = 5,000.02

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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.