Home / 8,015.16-12,027.28-4,317.31

Finding the Fourth Proportional to 8,015.16, 12,027.28 and 4,317.31

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Solution

The fourth proportional to 8,015.16, 12,027.28 and 4,317.31 is: 6,478.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.16 : 12,027.28 = 4,317.31 : x
  2. Step 2: Convert to fraction form
    8,015.16/12,027.28 = 4,317.31/x
  3. Step 3: Cross multiply
    8,015.16x = 12,027.28 × 4,317.31
  4. Step 4: Simplify right side
    8,015.16x = 51,925,496.22
  5. Step 5: Solve for x
    x = 51,925,496.22/8,015.16
  6. Step 6: Final answer
    x = 6,478.41

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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.