Home / 8,415.40-11,601.54-5,269.48

Finding the Fourth Proportional to 8,415.40, 11,601.54 and 5,269.48

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Solution

The fourth proportional to 8,415.40, 11,601.54 and 5,269.48 is: 7,264.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,415.40 : 11,601.54 = 5,269.48 : x
  2. Step 2: Convert to fraction form
    8,415.40/11,601.54 = 5,269.48/x
  3. Step 3: Cross multiply
    8,415.40x = 11,601.54 × 5,269.48
  4. Step 4: Simplify right side
    8,415.40x = 61,134,083.00
  5. Step 5: Solve for x
    x = 61,134,083.00/8,415.40
  6. Step 6: Final answer
    x = 7,264.55

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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.