Home / 9,240.02-12,749.34-5,260.09

Finding the Fourth Proportional to 9,240.02, 12,749.34 and 5,260.09

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Solution

The fourth proportional to 9,240.02, 12,749.34 and 5,260.09 is: 7,257.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,240.02 : 12,749.34 = 5,260.09 : x
  2. Step 2: Convert to fraction form
    9,240.02/12,749.34 = 5,260.09/x
  3. Step 3: Cross multiply
    9,240.02x = 12,749.34 × 5,260.09
  4. Step 4: Simplify right side
    9,240.02x = 67,062,643.97
  5. Step 5: Solve for x
    x = 67,062,643.97/9,240.02
  6. Step 6: Final answer
    x = 7,257.84

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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.