Home / 7,998.42-11,037.87-4,643.22

Finding the Fourth Proportional to 7,998.42, 11,037.87 and 4,643.22

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Solution

The fourth proportional to 7,998.42, 11,037.87 and 4,643.22 is: 6,407.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,998.42 : 11,037.87 = 4,643.22 : x
  2. Step 2: Convert to fraction form
    7,998.42/11,037.87 = 4,643.22/x
  3. Step 3: Cross multiply
    7,998.42x = 11,037.87 × 4,643.22
  4. Step 4: Simplify right side
    7,998.42x = 51,251,258.74
  5. Step 5: Solve for x
    x = 51,251,258.74/7,998.42
  6. Step 6: Final answer
    x = 6,407.67

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.