Home / 7,884.21-10,880.25-4,347.42

Finding the Fourth Proportional to 7,884.21, 10,880.25 and 4,347.42

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Solution

The fourth proportional to 7,884.21, 10,880.25 and 4,347.42 is: 5,999.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884.21 : 10,880.25 = 4,347.42 : x
  2. Step 2: Convert to fraction form
    7,884.21/10,880.25 = 4,347.42/x
  3. Step 3: Cross multiply
    7,884.21x = 10,880.25 × 4,347.42
  4. Step 4: Simplify right side
    7,884.21x = 47,301,032.78
  5. Step 5: Solve for x
    x = 47,301,032.78/7,884.21
  6. Step 6: Final answer
    x = 5,999.46

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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.