Home / 6,127.20-8,447.13-5,504.45

Finding the Fourth Proportional to 6,127.20, 8,447.13 and 5,504.45

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Solution

The fourth proportional to 6,127.20, 8,447.13 and 5,504.45 is: 7,588.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,127.20 : 8,447.13 = 5,504.45 : x
  2. Step 2: Convert to fraction form
    6,127.20/8,447.13 = 5,504.45/x
  3. Step 3: Cross multiply
    6,127.20x = 8,447.13 × 5,504.45
  4. Step 4: Simplify right side
    6,127.20x = 46,496,762.49
  5. Step 5: Solve for x
    x = 46,496,762.49/6,127.20
  6. Step 6: Final answer
    x = 7,588.58

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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.