Home / 7,189.02-10,783.53-2,259.09

Finding the Fourth Proportional to 7,189.02, 10,783.53 and 2,259.09

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Solution

The fourth proportional to 7,189.02, 10,783.53 and 2,259.09 is: 3,388.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189.02 : 10,783.53 = 2,259.09 : x
  2. Step 2: Convert to fraction form
    7,189.02/10,783.53 = 2,259.09/x
  3. Step 3: Cross multiply
    7,189.02x = 10,783.53 × 2,259.09
  4. Step 4: Simplify right side
    7,189.02x = 24,360,964.79
  5. Step 5: Solve for x
    x = 24,360,964.79/7,189.02
  6. Step 6: Final answer
    x = 3,388.64

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Double scale
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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.