Home / 8,745.32-12,066.40-5,344.12

Finding the Fourth Proportional to 8,745.32, 12,066.40 and 5,344.12

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Solution

The fourth proportional to 8,745.32, 12,066.40 and 5,344.12 is: 7,373.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745.32 : 12,066.40 = 5,344.12 : x
  2. Step 2: Convert to fraction form
    8,745.32/12,066.40 = 5,344.12/x
  3. Step 3: Cross multiply
    8,745.32x = 12,066.40 × 5,344.12
  4. Step 4: Simplify right side
    8,745.32x = 64,484,289.57
  5. Step 5: Solve for x
    x = 64,484,289.57/8,745.32
  6. Step 6: Final answer
    x = 7,373.58

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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.