Home / 9,317.47-13,977.15-3,077.50

Finding the Fourth Proportional to 9,317.47, 13,977.15 and 3,077.50

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Solution

The fourth proportional to 9,317.47, 13,977.15 and 3,077.50 is: 4,616.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,317.47 : 13,977.15 = 3,077.50 : x
  2. Step 2: Convert to fraction form
    9,317.47/13,977.15 = 3,077.50/x
  3. Step 3: Cross multiply
    9,317.47x = 13,977.15 × 3,077.50
  4. Step 4: Simplify right side
    9,317.47x = 43,014,679.13
  5. Step 5: Solve for x
    x = 43,014,679.13/9,317.47
  6. Step 6: Final answer
    x = 4,616.56

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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.