Home / 9,317.78-13,981.47-4,127.30

Finding the Fourth Proportional to 9,317.78, 13,981.47 and 4,127.30

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Solution

The fourth proportional to 9,317.78, 13,981.47 and 4,127.30 is: 6,193.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,317.78 : 13,981.47 = 4,127.30 : x
  2. Step 2: Convert to fraction form
    9,317.78/13,981.47 = 4,127.30/x
  3. Step 3: Cross multiply
    9,317.78x = 13,981.47 × 4,127.30
  4. Step 4: Simplify right side
    9,317.78x = 57,705,721.13
  5. Step 5: Solve for x
    x = 57,705,721.13/9,317.78
  6. Step 6: Final answer
    x = 6,193.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.