Home / 6,831.07-9,428.34-4,316.48

Finding the Fourth Proportional to 6,831.07, 9,428.34 and 4,316.48

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Solution

The fourth proportional to 6,831.07, 9,428.34 and 4,316.48 is: 5,957.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,831.07 : 9,428.34 = 4,316.48 : x
  2. Step 2: Convert to fraction form
    6,831.07/9,428.34 = 4,316.48/x
  3. Step 3: Cross multiply
    6,831.07x = 9,428.34 × 4,316.48
  4. Step 4: Simplify right side
    6,831.07x = 40,697,241.04
  5. Step 5: Solve for x
    x = 40,697,241.04/6,831.07
  6. Step 6: Final answer
    x = 5,957.67

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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.