Home / 7,077.96-10,616.85-4,305.39

Finding the Fourth Proportional to 7,077.96, 10,616.85 and 4,305.39

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Solution

The fourth proportional to 7,077.96, 10,616.85 and 4,305.39 is: 6,458.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,077.96 : 10,616.85 = 4,305.39 : x
  2. Step 2: Convert to fraction form
    7,077.96/10,616.85 = 4,305.39/x
  3. Step 3: Cross multiply
    7,077.96x = 10,616.85 × 4,305.39
  4. Step 4: Simplify right side
    7,077.96x = 45,709,679.82
  5. Step 5: Solve for x
    x = 45,709,679.82/7,077.96
  6. Step 6: Final answer
    x = 6,458.03

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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.