Home / 7,420.00-10,239.60-4,062.81

Finding the Fourth Proportional to 7,420.00, 10,239.60 and 4,062.81

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Solution

The fourth proportional to 7,420.00, 10,239.60 and 4,062.81 is: 5,606.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,420.00 : 10,239.60 = 4,062.81 : x
  2. Step 2: Convert to fraction form
    7,420.00/10,239.60 = 4,062.81/x
  3. Step 3: Cross multiply
    7,420.00x = 10,239.60 × 4,062.81
  4. Step 4: Simplify right side
    7,420.00x = 41,601,528.96
  5. Step 5: Solve for x
    x = 41,601,528.96/7,420.00
  6. Step 6: Final answer
    x = 5,606.68

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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.