Home / 9,007.79-12,431.36-5,028.81

Finding the Fourth Proportional to 9,007.79, 12,431.36 and 5,028.81

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Solution

The fourth proportional to 9,007.79, 12,431.36 and 5,028.81 is: 6,940.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,007.79 : 12,431.36 = 5,028.81 : x
  2. Step 2: Convert to fraction form
    9,007.79/12,431.36 = 5,028.81/x
  3. Step 3: Cross multiply
    9,007.79x = 12,431.36 × 5,028.81
  4. Step 4: Simplify right side
    9,007.79x = 62,514,955.08
  5. Step 5: Solve for x
    x = 62,514,955.08/9,007.79
  6. Step 6: Final answer
    x = 6,940.10

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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.