Home / 9,303.05-12,837.08-5,324.54

Finding the Fourth Proportional to 9,303.05, 12,837.08 and 5,324.54

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Solution

The fourth proportional to 9,303.05, 12,837.08 and 5,324.54 is: 7,347.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,303.05 : 12,837.08 = 5,324.54 : x
  2. Step 2: Convert to fraction form
    9,303.05/12,837.08 = 5,324.54/x
  3. Step 3: Cross multiply
    9,303.05x = 12,837.08 × 5,324.54
  4. Step 4: Simplify right side
    9,303.05x = 68,351,495.07
  5. Step 5: Solve for x
    x = 68,351,495.07/9,303.05
  6. Step 6: Final answer
    x = 7,347.21

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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.