Home / 8,111.36-11,193.84-4,574.72

Finding the Fourth Proportional to 8,111.36, 11,193.84 and 4,574.72

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Solution

The fourth proportional to 8,111.36, 11,193.84 and 4,574.72 is: 6,313.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,111.36 : 11,193.84 = 4,574.72 : x
  2. Step 2: Convert to fraction form
    8,111.36/11,193.84 = 4,574.72/x
  3. Step 3: Cross multiply
    8,111.36x = 11,193.84 × 4,574.72
  4. Step 4: Simplify right side
    8,111.36x = 51,208,683.72
  5. Step 5: Solve for x
    x = 51,208,683.72/8,111.36
  6. Step 6: Final answer
    x = 6,313.21

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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.