Home / 4,087.56-6,130.65-1,165.17

Finding the Fourth Proportional to 4,087.56, 6,130.65 and 1,165.17

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Solution

The fourth proportional to 4,087.56, 6,130.65 and 1,165.17 is: 1,747.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.56 : 6,130.65 = 1,165.17 : x
  2. Step 2: Convert to fraction form
    4,087.56/6,130.65 = 1,165.17/x
  3. Step 3: Cross multiply
    4,087.56x = 6,130.65 × 1,165.17
  4. Step 4: Simplify right side
    4,087.56x = 7,143,249.46
  5. Step 5: Solve for x
    x = 7,143,249.46/4,087.56
  6. Step 6: Final answer
    x = 1,747.56

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Double scale
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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.