Home / 9,098.71-12,556.08-5,119.81

Finding the Fourth Proportional to 9,098.71, 12,556.08 and 5,119.81

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Solution

The fourth proportional to 9,098.71, 12,556.08 and 5,119.81 is: 7,065.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,098.71 : 12,556.08 = 5,119.81 : x
  2. Step 2: Convert to fraction form
    9,098.71/12,556.08 = 5,119.81/x
  3. Step 3: Cross multiply
    9,098.71x = 12,556.08 × 5,119.81
  4. Step 4: Simplify right side
    9,098.71x = 64,284,712.55
  5. Step 5: Solve for x
    x = 64,284,712.55/9,098.71
  6. Step 6: Final answer
    x = 7,065.26

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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.