Home / 8,240.99-11,371.32-4,703.72

Finding the Fourth Proportional to 8,240.99, 11,371.32 and 4,703.72

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Solution

The fourth proportional to 8,240.99, 11,371.32 and 4,703.72 is: 6,490.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240.99 : 11,371.32 = 4,703.72 : x
  2. Step 2: Convert to fraction form
    8,240.99/11,371.32 = 4,703.72/x
  3. Step 3: Cross multiply
    8,240.99x = 11,371.32 × 4,703.72
  4. Step 4: Simplify right side
    8,240.99x = 53,487,448.45
  5. Step 5: Solve for x
    x = 53,487,448.45/8,240.99
  6. Step 6: Final answer
    x = 6,490.42

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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.