Home / 7,161.28-9,883.02-4,017.67

Finding the Fourth Proportional to 7,161.28, 9,883.02 and 4,017.67

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Solution

The fourth proportional to 7,161.28, 9,883.02 and 4,017.67 is: 5,544.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161.28 : 9,883.02 = 4,017.67 : x
  2. Step 2: Convert to fraction form
    7,161.28/9,883.02 = 4,017.67/x
  3. Step 3: Cross multiply
    7,161.28x = 9,883.02 × 4,017.67
  4. Step 4: Simplify right side
    7,161.28x = 39,706,712.96
  5. Step 5: Solve for x
    x = 39,706,712.96/7,161.28
  6. Step 6: Final answer
    x = 5,544.64

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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.