Home / 6,130.14-8,467.36-5,331.90

Finding the Fourth Proportional to 6,130.14, 8,467.36 and 5,331.90

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Solution

The fourth proportional to 6,130.14, 8,467.36 and 5,331.90 is: 7,364.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,130.14 : 8,467.36 = 5,331.90 : x
  2. Step 2: Convert to fraction form
    6,130.14/8,467.36 = 5,331.90/x
  3. Step 3: Cross multiply
    6,130.14x = 8,467.36 × 5,331.90
  4. Step 4: Simplify right side
    6,130.14x = 45,147,116.78
  5. Step 5: Solve for x
    x = 45,147,116.78/6,130.14
  6. Step 6: Final answer
    x = 7,364.78

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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.