Home / 8,695.84-13,045.38-3,502.12

Finding the Fourth Proportional to 8,695.84, 13,045.38 and 3,502.12

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Solution

The fourth proportional to 8,695.84, 13,045.38 and 3,502.12 is: 5,253.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,695.84 : 13,045.38 = 3,502.12 : x
  2. Step 2: Convert to fraction form
    8,695.84/13,045.38 = 3,502.12/x
  3. Step 3: Cross multiply
    8,695.84x = 13,045.38 × 3,502.12
  4. Step 4: Simplify right side
    8,695.84x = 45,686,486.21
  5. Step 5: Solve for x
    x = 45,686,486.21/8,695.84
  6. Step 6: Final answer
    x = 5,253.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.