Home / 7,484.81-11,219.72-6,172.61

Finding the Fourth Proportional to 7,484.81, 11,219.72 and 6,172.61

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Solution

The fourth proportional to 7,484.81, 11,219.72 and 6,172.61 is: 9,252.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,484.81 : 11,219.72 = 6,172.61 : x
  2. Step 2: Convert to fraction form
    7,484.81/11,219.72 = 6,172.61/x
  3. Step 3: Cross multiply
    7,484.81x = 11,219.72 × 6,172.61
  4. Step 4: Simplify right side
    7,484.81x = 69,254,868.91
  5. Step 5: Solve for x
    x = 69,254,868.91/7,484.81
  6. Step 6: Final answer
    x = 9,252.73

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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.