Home / 5,263.75-7,896.46-2,631.45

Finding the Fourth Proportional to 5,263.75, 7,896.46 and 2,631.45

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Solution

The fourth proportional to 5,263.75, 7,896.46 and 2,631.45 is: 3,947.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,263.75 : 7,896.46 = 2,631.45 : x
  2. Step 2: Convert to fraction form
    5,263.75/7,896.46 = 2,631.45/x
  3. Step 3: Cross multiply
    5,263.75x = 7,896.46 × 2,631.45
  4. Step 4: Simplify right side
    5,263.75x = 20,779,139.67
  5. Step 5: Solve for x
    x = 20,779,139.67/5,263.75
  6. Step 6: Final answer
    x = 3,947.59

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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.