Home / 6,249.81-8,624.59-3,417.20

Finding the Fourth Proportional to 6,249.81, 8,624.59 and 3,417.20

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Solution

The fourth proportional to 6,249.81, 8,624.59 and 3,417.20 is: 4,715.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,249.81 : 8,624.59 = 3,417.20 : x
  2. Step 2: Convert to fraction form
    6,249.81/8,624.59 = 3,417.20/x
  3. Step 3: Cross multiply
    6,249.81x = 8,624.59 × 3,417.20
  4. Step 4: Simplify right side
    6,249.81x = 29,471,961.97
  5. Step 5: Solve for x
    x = 29,471,961.97/6,249.81
  6. Step 6: Final answer
    x = 4,715.66

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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.