Home / 8,711.46-12,018.54-5,351.58

Finding the Fourth Proportional to 8,711.46, 12,018.54 and 5,351.58

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Solution

The fourth proportional to 8,711.46, 12,018.54 and 5,351.58 is: 7,383.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,711.46 : 12,018.54 = 5,351.58 : x
  2. Step 2: Convert to fraction form
    8,711.46/12,018.54 = 5,351.58/x
  3. Step 3: Cross multiply
    8,711.46x = 12,018.54 × 5,351.58
  4. Step 4: Simplify right side
    8,711.46x = 64,318,178.29
  5. Step 5: Solve for x
    x = 64,318,178.29/8,711.46
  6. Step 6: Final answer
    x = 7,383.17

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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.