Home / 7,436.32-11,157.36-2,818.24

Finding the Fourth Proportional to 7,436.32, 11,157.36 and 2,818.24

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Solution

The fourth proportional to 7,436.32, 11,157.36 and 2,818.24 is: 4,228.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,436.32 : 11,157.36 = 2,818.24 : x
  2. Step 2: Convert to fraction form
    7,436.32/11,157.36 = 2,818.24/x
  3. Step 3: Cross multiply
    7,436.32x = 11,157.36 × 2,818.24
  4. Step 4: Simplify right side
    7,436.32x = 31,444,118.25
  5. Step 5: Solve for x
    x = 31,444,118.25/7,436.32
  6. Step 6: Final answer
    x = 4,228.45

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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.