Home / 8,077.51-11,143.20-5,244.67

Finding the Fourth Proportional to 8,077.51, 11,143.20 and 5,244.67

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Solution

The fourth proportional to 8,077.51, 11,143.20 and 5,244.67 is: 7,235.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,077.51 : 11,143.20 = 5,244.67 : x
  2. Step 2: Convert to fraction form
    8,077.51/11,143.20 = 5,244.67/x
  3. Step 3: Cross multiply
    8,077.51x = 11,143.20 × 5,244.67
  4. Step 4: Simplify right side
    8,077.51x = 58,442,406.74
  5. Step 5: Solve for x
    x = 58,442,406.74/8,077.51
  6. Step 6: Final answer
    x = 7,235.20

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Double scale
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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.