Home / 5,571.32-7,688.42-3,053.36

Finding the Fourth Proportional to 5,571.32, 7,688.42 and 3,053.36

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Solution

The fourth proportional to 5,571.32, 7,688.42 and 3,053.36 is: 4,213.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,571.32 : 7,688.42 = 3,053.36 : x
  2. Step 2: Convert to fraction form
    5,571.32/7,688.42 = 3,053.36/x
  3. Step 3: Cross multiply
    5,571.32x = 7,688.42 × 3,053.36
  4. Step 4: Simplify right side
    5,571.32x = 23,475,529.50
  5. Step 5: Solve for x
    x = 23,475,529.50/5,571.32
  6. Step 6: Final answer
    x = 4,213.64

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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.