Home / 6,130.60-9,186.30-5,151.40

Finding the Fourth Proportional to 6,130.60, 9,186.30 and 5,151.40

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Solution

The fourth proportional to 6,130.60, 9,186.30 and 5,151.40 is: 7,719.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,130.60 : 9,186.30 = 5,151.40 : x
  2. Step 2: Convert to fraction form
    6,130.60/9,186.30 = 5,151.40/x
  3. Step 3: Cross multiply
    6,130.60x = 9,186.30 × 5,151.40
  4. Step 4: Simplify right side
    6,130.60x = 47,322,305.82
  5. Step 5: Solve for x
    x = 47,322,305.82/6,130.60
  6. Step 6: Final answer
    x = 7,719.03

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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.