Home / 7,491.51-11,236.41-2,560.50

Finding the Fourth Proportional to 7,491.51, 11,236.41 and 2,560.50

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Solution

The fourth proportional to 7,491.51, 11,236.41 and 2,560.50 is: 3,840.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.51 : 11,236.41 = 2,560.50 : x
  2. Step 2: Convert to fraction form
    7,491.51/11,236.41 = 2,560.50/x
  3. Step 3: Cross multiply
    7,491.51x = 11,236.41 × 2,560.50
  4. Step 4: Simplify right side
    7,491.51x = 28,770,827.81
  5. Step 5: Solve for x
    x = 28,770,827.81/7,491.51
  6. Step 6: Final answer
    x = 3,840.46

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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.