Home / 8,130.07-11,219.49-4,404.07

Finding the Fourth Proportional to 8,130.07, 11,219.49 and 4,404.07

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Solution

The fourth proportional to 8,130.07, 11,219.49 and 4,404.07 is: 6,077.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130.07 : 11,219.49 = 4,404.07 : x
  2. Step 2: Convert to fraction form
    8,130.07/11,219.49 = 4,404.07/x
  3. Step 3: Cross multiply
    8,130.07x = 11,219.49 × 4,404.07
  4. Step 4: Simplify right side
    8,130.07x = 49,411,341.21
  5. Step 5: Solve for x
    x = 49,411,341.21/8,130.07
  6. Step 6: Final answer
    x = 6,077.61

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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.