Home / 7,914.83-10,922.48-4,557.59

Finding the Fourth Proportional to 7,914.83, 10,922.48 and 4,557.59

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Solution

The fourth proportional to 7,914.83, 10,922.48 and 4,557.59 is: 6,289.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.83 : 10,922.48 = 4,557.59 : x
  2. Step 2: Convert to fraction form
    7,914.83/10,922.48 = 4,557.59/x
  3. Step 3: Cross multiply
    7,914.83x = 10,922.48 × 4,557.59
  4. Step 4: Simplify right side
    7,914.83x = 49,780,108.22
  5. Step 5: Solve for x
    x = 49,780,108.22/7,914.83
  6. Step 6: Final answer
    x = 6,289.48

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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.