Home / 5,477.84-8,214.96-2,190.08

Finding the Fourth Proportional to 5,477.84, 8,214.96 and 2,190.08

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Solution

The fourth proportional to 5,477.84, 8,214.96 and 2,190.08 is: 3,284.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.84 : 8,214.96 = 2,190.08 : x
  2. Step 2: Convert to fraction form
    5,477.84/8,214.96 = 2,190.08/x
  3. Step 3: Cross multiply
    5,477.84x = 8,214.96 × 2,190.08
  4. Step 4: Simplify right side
    5,477.84x = 17,991,419.60
  5. Step 5: Solve for x
    x = 17,991,419.60/5,477.84
  6. Step 6: Final answer
    x = 3,284.40

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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.