Home / 7,884.50-10,880.37-4,347.71

Finding the Fourth Proportional to 7,884.50, 10,880.37 and 4,347.71

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Solution

The fourth proportional to 7,884.50, 10,880.37 and 4,347.71 is: 5,999.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884.50 : 10,880.37 = 4,347.71 : x
  2. Step 2: Convert to fraction form
    7,884.50/10,880.37 = 4,347.71/x
  3. Step 3: Cross multiply
    7,884.50x = 10,880.37 × 4,347.71
  4. Step 4: Simplify right side
    7,884.50x = 47,304,682.56
  5. Step 5: Solve for x
    x = 47,304,682.56/7,884.50
  6. Step 6: Final answer
    x = 5,999.71

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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.