Home / 7,731.72-11,603.02-4,812.04

Finding the Fourth Proportional to 7,731.72, 11,603.02 and 4,812.04

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Solution

The fourth proportional to 7,731.72, 11,603.02 and 4,812.04 is: 7,221.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.72 : 11,603.02 = 4,812.04 : x
  2. Step 2: Convert to fraction form
    7,731.72/11,603.02 = 4,812.04/x
  3. Step 3: Cross multiply
    7,731.72x = 11,603.02 × 4,812.04
  4. Step 4: Simplify right side
    7,731.72x = 55,834,196.36
  5. Step 5: Solve for x
    x = 55,834,196.36/7,731.72
  6. Step 6: Final answer
    x = 7,221.45

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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.