Home / 7,507.13-11,258.66-2,826.81

Finding the Fourth Proportional to 7,507.13, 11,258.66 and 2,826.81

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Solution

The fourth proportional to 7,507.13, 11,258.66 and 2,826.81 is: 4,239.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,507.13 : 11,258.66 = 2,826.81 : x
  2. Step 2: Convert to fraction form
    7,507.13/11,258.66 = 2,826.81/x
  3. Step 3: Cross multiply
    7,507.13x = 11,258.66 × 2,826.81
  4. Step 4: Simplify right side
    7,507.13x = 31,826,099.74
  5. Step 5: Solve for x
    x = 31,826,099.74/7,507.13
  6. Step 6: Final answer
    x = 4,239.45

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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.