Home / 8,051.44-11,117.28-5,220.16

Finding the Fourth Proportional to 8,051.44, 11,117.28 and 5,220.16

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Solution

The fourth proportional to 8,051.44, 11,117.28 and 5,220.16 is: 7,207.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,051.44 : 11,117.28 = 5,220.16 : x
  2. Step 2: Convert to fraction form
    8,051.44/11,117.28 = 5,220.16/x
  3. Step 3: Cross multiply
    8,051.44x = 11,117.28 × 5,220.16
  4. Step 4: Simplify right side
    8,051.44x = 58,033,980.36
  5. Step 5: Solve for x
    x = 58,033,980.36/8,051.44
  6. Step 6: Final answer
    x = 7,207.90

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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.