Home / 5,570.10-7,685.73-3,580.20

Finding the Fourth Proportional to 5,570.10, 7,685.73 and 3,580.20

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Solution

The fourth proportional to 5,570.10, 7,685.73 and 3,580.20 is: 4,940.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,570.10 : 7,685.73 = 3,580.20 : x
  2. Step 2: Convert to fraction form
    5,570.10/7,685.73 = 3,580.20/x
  3. Step 3: Cross multiply
    5,570.10x = 7,685.73 × 3,580.20
  4. Step 4: Simplify right side
    5,570.10x = 27,516,450.55
  5. Step 5: Solve for x
    x = 27,516,450.55/5,570.10
  6. Step 6: Final answer
    x = 4,940.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.