Home / 5,630.23-8,450.81-4,080.20

Finding the Fourth Proportional to 5,630.23, 8,450.81 and 4,080.20

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Solution

The fourth proportional to 5,630.23, 8,450.81 and 4,080.20 is: 6,124.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,630.23 : 8,450.81 = 4,080.20 : x
  2. Step 2: Convert to fraction form
    5,630.23/8,450.81 = 4,080.20/x
  3. Step 3: Cross multiply
    5,630.23x = 8,450.81 × 4,080.20
  4. Step 4: Simplify right side
    5,630.23x = 34,480,962.91
  5. Step 5: Solve for x
    x = 34,480,962.91/5,630.23
  6. Step 6: Final answer
    x = 6,124.25

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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.