Home / 8,476.16-12,697.84-4,767.12

Finding the Fourth Proportional to 8,476.16, 12,697.84 and 4,767.12

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Solution

The fourth proportional to 8,476.16, 12,697.84 and 4,767.12 is: 7,141.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,476.16 : 12,697.84 = 4,767.12 : x
  2. Step 2: Convert to fraction form
    8,476.16/12,697.84 = 4,767.12/x
  3. Step 3: Cross multiply
    8,476.16x = 12,697.84 × 4,767.12
  4. Step 4: Simplify right side
    8,476.16x = 60,532,127.02
  5. Step 5: Solve for x
    x = 60,532,127.02/8,476.16
  6. Step 6: Final answer
    x = 7,141.46

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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.