Home / 8,484.39-11,708.82-5,127.21

Finding the Fourth Proportional to 8,484.39, 11,708.82 and 5,127.21

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Solution

The fourth proportional to 8,484.39, 11,708.82 and 5,127.21 is: 7,075.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,484.39 : 11,708.82 = 5,127.21 : x
  2. Step 2: Convert to fraction form
    8,484.39/11,708.82 = 5,127.21/x
  3. Step 3: Cross multiply
    8,484.39x = 11,708.82 × 5,127.21
  4. Step 4: Simplify right side
    8,484.39x = 60,033,578.99
  5. Step 5: Solve for x
    x = 60,033,578.99/8,484.39
  6. Step 6: Final answer
    x = 7,075.77

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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.