Home / 7,161.37-10,749.91-5,690.05

Finding the Fourth Proportional to 7,161.37, 10,749.91 and 5,690.05

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Solution

The fourth proportional to 7,161.37, 10,749.91 and 5,690.05 is: 8,541.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161.37 : 10,749.91 = 5,690.05 : x
  2. Step 2: Convert to fraction form
    7,161.37/10,749.91 = 5,690.05/x
  3. Step 3: Cross multiply
    7,161.37x = 10,749.91 × 5,690.05
  4. Step 4: Simplify right side
    7,161.37x = 61,167,525.40
  5. Step 5: Solve for x
    x = 61,167,525.40/7,161.37
  6. Step 6: Final answer
    x = 8,541.32

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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.