Home / 8,145.24-11,240.48-4,788.08

Finding the Fourth Proportional to 8,145.24, 11,240.48 and 4,788.08

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Solution

The fourth proportional to 8,145.24, 11,240.48 and 4,788.08 is: 6,607.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.24 : 11,240.48 = 4,788.08 : x
  2. Step 2: Convert to fraction form
    8,145.24/11,240.48 = 4,788.08/x
  3. Step 3: Cross multiply
    8,145.24x = 11,240.48 × 4,788.08
  4. Step 4: Simplify right side
    8,145.24x = 53,820,317.48
  5. Step 5: Solve for x
    x = 53,820,317.48/8,145.24
  6. Step 6: Final answer
    x = 6,607.58

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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.