Home / 9,328.75-12,873.68-5,137

Finding the Fourth Proportional to 9,328.75, 12,873.68 and 5,137

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Solution

The fourth proportional to 9,328.75, 12,873.68 and 5,137 is: 7,089.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328.75 : 12,873.68 = 5,137 : x
  2. Step 2: Convert to fraction form
    9,328.75/12,873.68 = 5,137/x
  3. Step 3: Cross multiply
    9,328.75x = 12,873.68 × 5,137
  4. Step 4: Simplify right side
    9,328.75x = 66,132,094.16
  5. Step 5: Solve for x
    x = 66,132,094.16/9,328.75
  6. Step 6: Final answer
    x = 7,089.06

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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.