Home / 7,914.06-10,921.62-4,557.96

Finding the Fourth Proportional to 7,914.06, 10,921.62 and 4,557.96

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Solution

The fourth proportional to 7,914.06, 10,921.62 and 4,557.96 is: 6,290.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.06 : 10,921.62 = 4,557.96 : x
  2. Step 2: Convert to fraction form
    7,914.06/10,921.62 = 4,557.96/x
  3. Step 3: Cross multiply
    7,914.06x = 10,921.62 × 4,557.96
  4. Step 4: Simplify right side
    7,914.06x = 49,780,307.10
  5. Step 5: Solve for x
    x = 49,780,307.10/7,914.06
  6. Step 6: Final answer
    x = 6,290.11

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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.