Home / 9,237.07-12,747.58-5,259.03

Finding the Fourth Proportional to 9,237.07, 12,747.58 and 5,259.03

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Solution

The fourth proportional to 9,237.07, 12,747.58 and 5,259.03 is: 7,257.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,237.07 : 12,747.58 = 5,259.03 : x
  2. Step 2: Convert to fraction form
    9,237.07/12,747.58 = 5,259.03/x
  3. Step 3: Cross multiply
    9,237.07x = 12,747.58 × 5,259.03
  4. Step 4: Simplify right side
    9,237.07x = 67,039,844.70
  5. Step 5: Solve for x
    x = 67,039,844.70/9,237.07
  6. Step 6: Final answer
    x = 7,257.69

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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.