Home / 7,419.96-10,239.81-4,062.80

Finding the Fourth Proportional to 7,419.96, 10,239.81 and 4,062.80

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Solution

The fourth proportional to 7,419.96, 10,239.81 and 4,062.80 is: 5,606.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.96 : 10,239.81 = 4,062.80 : x
  2. Step 2: Convert to fraction form
    7,419.96/10,239.81 = 4,062.80/x
  3. Step 3: Cross multiply
    7,419.96x = 10,239.81 × 4,062.80
  4. Step 4: Simplify right side
    7,419.96x = 41,602,325.67
  5. Step 5: Solve for x
    x = 41,602,325.67/7,419.96
  6. Step 6: Final answer
    x = 5,606.81

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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.