Home / 5,247.72-7,871.58-1,549.67

Finding the Fourth Proportional to 5,247.72, 7,871.58 and 1,549.67

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Solution

The fourth proportional to 5,247.72, 7,871.58 and 1,549.67 is: 2,324.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.72 : 7,871.58 = 1,549.67 : x
  2. Step 2: Convert to fraction form
    5,247.72/7,871.58 = 1,549.67/x
  3. Step 3: Cross multiply
    5,247.72x = 7,871.58 × 1,549.67
  4. Step 4: Simplify right side
    5,247.72x = 12,198,312.02
  5. Step 5: Solve for x
    x = 12,198,312.02/5,247.72
  6. Step 6: Final answer
    x = 2,324.50

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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.