Home / 9,317.37-12,858.49-5,339.14

Finding the Fourth Proportional to 9,317.37, 12,858.49 and 5,339.14

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Solution

The fourth proportional to 9,317.37, 12,858.49 and 5,339.14 is: 7,368.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,317.37 : 12,858.49 = 5,339.14 : x
  2. Step 2: Convert to fraction form
    9,317.37/12,858.49 = 5,339.14/x
  3. Step 3: Cross multiply
    9,317.37x = 12,858.49 × 5,339.14
  4. Step 4: Simplify right side
    9,317.37x = 68,653,278.30
  5. Step 5: Solve for x
    x = 68,653,278.30/9,317.37
  6. Step 6: Final answer
    x = 7,368.31

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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.