Home / 8,435.24-11,639.40-5,292.44

Finding the Fourth Proportional to 8,435.24, 11,639.40 and 5,292.44

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Solution

The fourth proportional to 8,435.24, 11,639.40 and 5,292.44 is: 7,302.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,435.24 : 11,639.40 = 5,292.44 : x
  2. Step 2: Convert to fraction form
    8,435.24/11,639.40 = 5,292.44/x
  3. Step 3: Cross multiply
    8,435.24x = 11,639.40 × 5,292.44
  4. Step 4: Simplify right side
    8,435.24x = 61,600,826.14
  5. Step 5: Solve for x
    x = 61,600,826.14/8,435.24
  6. Step 6: Final answer
    x = 7,302.79

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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.