Home / 7,086.63-10,615.36-4,157.88

Finding the Fourth Proportional to 7,086.63, 10,615.36 and 4,157.88

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Solution

The fourth proportional to 7,086.63, 10,615.36 and 4,157.88 is: 6,228.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,086.63 : 10,615.36 = 4,157.88 : x
  2. Step 2: Convert to fraction form
    7,086.63/10,615.36 = 4,157.88/x
  3. Step 3: Cross multiply
    7,086.63x = 10,615.36 × 4,157.88
  4. Step 4: Simplify right side
    7,086.63x = 44,137,393.04
  5. Step 5: Solve for x
    x = 44,137,393.04/7,086.63
  6. Step 6: Final answer
    x = 6,228.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.