Home / 4,416.02-6,623.99-1,129.10

Finding the Fourth Proportional to 4,416.02, 6,623.99 and 1,129.10

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Solution

The fourth proportional to 4,416.02, 6,623.99 and 1,129.10 is: 1,693.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,416.02 : 6,623.99 = 1,129.10 : x
  2. Step 2: Convert to fraction form
    4,416.02/6,623.99 = 1,129.10/x
  3. Step 3: Cross multiply
    4,416.02x = 6,623.99 × 1,129.10
  4. Step 4: Simplify right side
    4,416.02x = 7,479,147.11
  5. Step 5: Solve for x
    x = 7,479,147.11/4,416.02
  6. Step 6: Final answer
    x = 1,693.64

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Similar ratio
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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.