Home / 6,457.99-8,911.82-3,625.29

Finding the Fourth Proportional to 6,457.99, 8,911.82 and 3,625.29

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Solution

The fourth proportional to 6,457.99, 8,911.82 and 3,625.29 is: 5,002.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457.99 : 8,911.82 = 3,625.29 : x
  2. Step 2: Convert to fraction form
    6,457.99/8,911.82 = 3,625.29/x
  3. Step 3: Cross multiply
    6,457.99x = 8,911.82 × 3,625.29
  4. Step 4: Simplify right side
    6,457.99x = 32,307,931.93
  5. Step 5: Solve for x
    x = 32,307,931.93/6,457.99
  6. Step 6: Final answer
    x = 5,002.78

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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.