Home / 7,987.77-11,027.06-5,005.24

Finding the Fourth Proportional to 7,987.77, 11,027.06 and 5,005.24

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Solution

The fourth proportional to 7,987.77, 11,027.06 and 5,005.24 is: 6,909.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,987.77 : 11,027.06 = 5,005.24 : x
  2. Step 2: Convert to fraction form
    7,987.77/11,027.06 = 5,005.24/x
  3. Step 3: Cross multiply
    7,987.77x = 11,027.06 × 5,005.24
  4. Step 4: Simplify right side
    7,987.77x = 55,193,081.79
  5. Step 5: Solve for x
    x = 55,193,081.79/7,987.77
  6. Step 6: Final answer
    x = 6,909.70

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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.