Home / 9,299.07-12,831.89-5,521.64

Finding the Fourth Proportional to 9,299.07, 12,831.89 and 5,521.64

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Solution

The fourth proportional to 9,299.07, 12,831.89 and 5,521.64 is: 7,619.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,299.07 : 12,831.89 = 5,521.64 : x
  2. Step 2: Convert to fraction form
    9,299.07/12,831.89 = 5,521.64/x
  3. Step 3: Cross multiply
    9,299.07x = 12,831.89 × 5,521.64
  4. Step 4: Simplify right side
    9,299.07x = 70,852,985.33
  5. Step 5: Solve for x
    x = 70,852,985.33/9,299.07
  6. Step 6: Final answer
    x = 7,619.36

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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.