Home / 9,238.56-12,749.80-5,260.02

Finding the Fourth Proportional to 9,238.56, 12,749.80 and 5,260.02

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Solution

The fourth proportional to 9,238.56, 12,749.80 and 5,260.02 is: 7,259.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,238.56 : 12,749.80 = 5,260.02 : x
  2. Step 2: Convert to fraction form
    9,238.56/12,749.80 = 5,260.02/x
  3. Step 3: Cross multiply
    9,238.56x = 12,749.80 × 5,260.02
  4. Step 4: Simplify right side
    9,238.56x = 67,064,203.00
  5. Step 5: Solve for x
    x = 67,064,203.00/9,238.56
  6. Step 6: Final answer
    x = 7,259.16

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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.