Home / 8,433.08-11,640.94-7,547.36

Finding the Fourth Proportional to 8,433.08, 11,640.94 and 7,547.36

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Solution

The fourth proportional to 8,433.08, 11,640.94 and 7,547.36 is: 10,418.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,433.08 : 11,640.94 = 7,547.36 : x
  2. Step 2: Convert to fraction form
    8,433.08/11,640.94 = 7,547.36/x
  3. Step 3: Cross multiply
    8,433.08x = 11,640.94 × 7,547.36
  4. Step 4: Simplify right side
    8,433.08x = 87,858,364.92
  5. Step 5: Solve for x
    x = 87,858,364.92/8,433.08
  6. Step 6: Final answer
    x = 10,418.30

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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.