Home / 8,402.28-12,603.18-3,468.18

Finding the Fourth Proportional to 8,402.28, 12,603.18 and 3,468.18

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Solution

The fourth proportional to 8,402.28, 12,603.18 and 3,468.18 is: 5,202.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,402.28 : 12,603.18 = 3,468.18 : x
  2. Step 2: Convert to fraction form
    8,402.28/12,603.18 = 3,468.18/x
  3. Step 3: Cross multiply
    8,402.28x = 12,603.18 × 3,468.18
  4. Step 4: Simplify right side
    8,402.28x = 43,710,096.81
  5. Step 5: Solve for x
    x = 43,710,096.81/8,402.28
  6. Step 6: Final answer
    x = 5,202.17

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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.