Home / 5,410.20-8,120.10-4,632.60

Finding the Fourth Proportional to 5,410.20, 8,120.10 and 4,632.60

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Solution

The fourth proportional to 5,410.20, 8,120.10 and 4,632.60 is: 6,953.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,410.20 : 8,120.10 = 4,632.60 : x
  2. Step 2: Convert to fraction form
    5,410.20/8,120.10 = 4,632.60/x
  3. Step 3: Cross multiply
    5,410.20x = 8,120.10 × 4,632.60
  4. Step 4: Simplify right side
    5,410.20x = 37,617,175.26
  5. Step 5: Solve for x
    x = 37,617,175.26/5,410.20
  6. Step 6: Final answer
    x = 6,953.01

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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.