Home / 5,477.40-8,216.10-2,358.90

Finding the Fourth Proportional to 5,477.40, 8,216.10 and 2,358.90

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Solution

The fourth proportional to 5,477.40, 8,216.10 and 2,358.90 is: 3,538.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.40 : 8,216.10 = 2,358.90 : x
  2. Step 2: Convert to fraction form
    5,477.40/8,216.10 = 2,358.90/x
  3. Step 3: Cross multiply
    5,477.40x = 8,216.10 × 2,358.90
  4. Step 4: Simplify right side
    5,477.40x = 19,380,958.29
  5. Step 5: Solve for x
    x = 19,380,958.29/5,477.40
  6. Step 6: Final answer
    x = 3,538.35

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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.