Home / 6,955.37-10,439.90-5,101.21

Finding the Fourth Proportional to 6,955.37, 10,439.90 and 5,101.21

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Solution

The fourth proportional to 6,955.37, 10,439.90 and 5,101.21 is: 7,656.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,955.37 : 10,439.90 = 5,101.21 : x
  2. Step 2: Convert to fraction form
    6,955.37/10,439.90 = 5,101.21/x
  3. Step 3: Cross multiply
    6,955.37x = 10,439.90 × 5,101.21
  4. Step 4: Simplify right side
    6,955.37x = 53,256,099.81
  5. Step 5: Solve for x
    x = 53,256,099.81/6,955.37
  6. Step 6: Final answer
    x = 7,656.83

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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.