Home / 7,987.37-11,027.27-5,007.29

Finding the Fourth Proportional to 7,987.37, 11,027.27 and 5,007.29

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Solution

The fourth proportional to 7,987.37, 11,027.27 and 5,007.29 is: 6,913.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,987.37 : 11,027.27 = 5,007.29 : x
  2. Step 2: Convert to fraction form
    7,987.37/11,027.27 = 5,007.29/x
  3. Step 3: Cross multiply
    7,987.37x = 11,027.27 × 5,007.29
  4. Step 4: Simplify right side
    7,987.37x = 55,216,696.18
  5. Step 5: Solve for x
    x = 55,216,696.18/7,987.37
  6. Step 6: Final answer
    x = 6,913.01

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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.