Home / 7,757.21-10,705.19-4,400.16

Finding the Fourth Proportional to 7,757.21, 10,705.19 and 4,400.16

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Solution

The fourth proportional to 7,757.21, 10,705.19 and 4,400.16 is: 6,072.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,757.21 : 10,705.19 = 4,400.16 : x
  2. Step 2: Convert to fraction form
    7,757.21/10,705.19 = 4,400.16/x
  3. Step 3: Cross multiply
    7,757.21x = 10,705.19 × 4,400.16
  4. Step 4: Simplify right side
    7,757.21x = 47,104,526.83
  5. Step 5: Solve for x
    x = 47,104,526.83/7,757.21
  6. Step 6: Final answer
    x = 6,072.36

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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.