Home / 9,298.09-12,831.36-5,319.19

Finding the Fourth Proportional to 9,298.09, 12,831.36 and 5,319.19

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Solution

The fourth proportional to 9,298.09, 12,831.36 and 5,319.19 is: 7,340.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,298.09 : 12,831.36 = 5,319.19 : x
  2. Step 2: Convert to fraction form
    9,298.09/12,831.36 = 5,319.19/x
  3. Step 3: Cross multiply
    9,298.09x = 12,831.36 × 5,319.19
  4. Step 4: Simplify right side
    9,298.09x = 68,252,377.64
  5. Step 5: Solve for x
    x = 68,252,377.64/9,298.09
  6. Step 6: Final answer
    x = 7,340.48

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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.