Home / 6,320.73-8,723.09-4,649.81

Finding the Fourth Proportional to 6,320.73, 8,723.09 and 4,649.81

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Solution

The fourth proportional to 6,320.73, 8,723.09 and 4,649.81 is: 6,417.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320.73 : 8,723.09 = 4,649.81 : x
  2. Step 2: Convert to fraction form
    6,320.73/8,723.09 = 4,649.81/x
  3. Step 3: Cross multiply
    6,320.73x = 8,723.09 × 4,649.81
  4. Step 4: Simplify right side
    6,320.73x = 40,560,679.12
  5. Step 5: Solve for x
    x = 40,560,679.12/6,320.73
  6. Step 6: Final answer
    x = 6,417.08

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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.