Home / 5,459.84-8,189.73-1,564.23

Finding the Fourth Proportional to 5,459.84, 8,189.73 and 1,564.23

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Solution

The fourth proportional to 5,459.84, 8,189.73 and 1,564.23 is: 2,346.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.84 : 8,189.73 = 1,564.23 : x
  2. Step 2: Convert to fraction form
    5,459.84/8,189.73 = 1,564.23/x
  3. Step 3: Cross multiply
    5,459.84x = 8,189.73 × 1,564.23
  4. Step 4: Simplify right side
    5,459.84x = 12,810,621.36
  5. Step 5: Solve for x
    x = 12,810,621.36/5,459.84
  6. Step 6: Final answer
    x = 2,346.34

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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.