Home / 4,416.22-6,623.62-1,129.14

Finding the Fourth Proportional to 4,416.22, 6,623.62 and 1,129.14

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Solution

The fourth proportional to 4,416.22, 6,623.62 and 1,129.14 is: 1,693.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,416.22 : 6,623.62 = 1,129.14 : x
  2. Step 2: Convert to fraction form
    4,416.22/6,623.62 = 1,129.14/x
  3. Step 3: Cross multiply
    4,416.22x = 6,623.62 × 1,129.14
  4. Step 4: Simplify right side
    4,416.22x = 7,478,955.52
  5. Step 5: Solve for x
    x = 7,478,955.52/4,416.22
  6. Step 6: Final answer
    x = 1,693.52

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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.