Home / 7,177.02-10,772.81-5,099.37

Finding the Fourth Proportional to 7,177.02, 10,772.81 and 5,099.37

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Solution

The fourth proportional to 7,177.02, 10,772.81 and 5,099.37 is: 7,654.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,177.02 : 10,772.81 = 5,099.37 : x
  2. Step 2: Convert to fraction form
    7,177.02/10,772.81 = 5,099.37/x
  3. Step 3: Cross multiply
    7,177.02x = 10,772.81 × 5,099.37
  4. Step 4: Simplify right side
    7,177.02x = 54,934,544.13
  5. Step 5: Solve for x
    x = 54,934,544.13/7,177.02
  6. Step 6: Final answer
    x = 7,654.23

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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.