Home / 5,630.49-7,769.93-3,112.56

Finding the Fourth Proportional to 5,630.49, 7,769.93 and 3,112.56

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Solution

The fourth proportional to 5,630.49, 7,769.93 and 3,112.56 is: 4,295.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,630.49 : 7,769.93 = 3,112.56 : x
  2. Step 2: Convert to fraction form
    5,630.49/7,769.93 = 3,112.56/x
  3. Step 3: Cross multiply
    5,630.49x = 7,769.93 × 3,112.56
  4. Step 4: Simplify right side
    5,630.49x = 24,184,357.76
  5. Step 5: Solve for x
    x = 24,184,357.76/5,630.49
  6. Step 6: Final answer
    x = 4,295.25

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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.