Home / 8,015.58-11,061.44-4,430.78

Finding the Fourth Proportional to 8,015.58, 11,061.44 and 4,430.78

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Solution

The fourth proportional to 8,015.58, 11,061.44 and 4,430.78 is: 6,114.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.58 : 11,061.44 = 4,430.78 : x
  2. Step 2: Convert to fraction form
    8,015.58/11,061.44 = 4,430.78/x
  3. Step 3: Cross multiply
    8,015.58x = 11,061.44 × 4,430.78
  4. Step 4: Simplify right side
    8,015.58x = 49,010,807.12
  5. Step 5: Solve for x
    x = 49,010,807.12/8,015.58
  6. Step 6: Final answer
    x = 6,114.44

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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.