Home / 6,071.34-9,107.40-1,911.50

Finding the Fourth Proportional to 6,071.34, 9,107.40 and 1,911.50

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Solution

The fourth proportional to 6,071.34, 9,107.40 and 1,911.50 is: 2,867.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,071.34 : 9,107.40 = 1,911.50 : x
  2. Step 2: Convert to fraction form
    6,071.34/9,107.40 = 1,911.50/x
  3. Step 3: Cross multiply
    6,071.34x = 9,107.40 × 1,911.50
  4. Step 4: Simplify right side
    6,071.34x = 17,408,795.10
  5. Step 5: Solve for x
    x = 17,408,795.10/6,071.34
  6. Step 6: Final answer
    x = 2,867.37

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Half scale
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Double scale
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Similar ratio
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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.