Home / 8,252.63-11,384.39-5,419.59

Finding the Fourth Proportional to 8,252.63, 11,384.39 and 5,419.59

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Solution

The fourth proportional to 8,252.63, 11,384.39 and 5,419.59 is: 7,476.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,252.63 : 11,384.39 = 5,419.59 : x
  2. Step 2: Convert to fraction form
    8,252.63/11,384.39 = 5,419.59/x
  3. Step 3: Cross multiply
    8,252.63x = 11,384.39 × 5,419.59
  4. Step 4: Simplify right side
    8,252.63x = 61,698,726.20
  5. Step 5: Solve for x
    x = 61,698,726.20/8,252.63
  6. Step 6: Final answer
    x = 7,476.25

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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.