Home / 6,509.56-9,764.34-1,579.12

Finding the Fourth Proportional to 6,509.56, 9,764.34 and 1,579.12

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Solution

The fourth proportional to 6,509.56, 9,764.34 and 1,579.12 is: 2,368.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,509.56 : 9,764.34 = 1,579.12 : x
  2. Step 2: Convert to fraction form
    6,509.56/9,764.34 = 1,579.12/x
  3. Step 3: Cross multiply
    6,509.56x = 9,764.34 × 1,579.12
  4. Step 4: Simplify right side
    6,509.56x = 15,419,064.58
  5. Step 5: Solve for x
    x = 15,419,064.58/6,509.56
  6. Step 6: Final answer
    x = 2,368.68

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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.