Home / 8,398.18-12,588.04-3,465.15

Finding the Fourth Proportional to 8,398.18, 12,588.04 and 3,465.15

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Solution

The fourth proportional to 8,398.18, 12,588.04 and 3,465.15 is: 5,193.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,398.18 : 12,588.04 = 3,465.15 : x
  2. Step 2: Convert to fraction form
    8,398.18/12,588.04 = 3,465.15/x
  3. Step 3: Cross multiply
    8,398.18x = 12,588.04 × 3,465.15
  4. Step 4: Simplify right side
    8,398.18x = 43,619,446.81
  5. Step 5: Solve for x
    x = 43,619,446.81/8,398.18
  6. Step 6: Final answer
    x = 5,193.92

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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.