Home / 4,270.24-6,405.36-1,192.16

Finding the Fourth Proportional to 4,270.24, 6,405.36 and 1,192.16

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Solution

The fourth proportional to 4,270.24, 6,405.36 and 1,192.16 is: 1,788.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,270.24 : 6,405.36 = 1,192.16 : x
  2. Step 2: Convert to fraction form
    4,270.24/6,405.36 = 1,192.16/x
  3. Step 3: Cross multiply
    4,270.24x = 6,405.36 × 1,192.16
  4. Step 4: Simplify right side
    4,270.24x = 7,636,213.98
  5. Step 5: Solve for x
    x = 7,636,213.98/4,270.24
  6. Step 6: Final answer
    x = 1,788.24

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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.