Home / 8,157.24-11,256.77-4,621.59

Finding the Fourth Proportional to 8,157.24, 11,256.77 and 4,621.59

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Solution

The fourth proportional to 8,157.24, 11,256.77 and 4,621.59 is: 6,377.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157.24 : 11,256.77 = 4,621.59 : x
  2. Step 2: Convert to fraction form
    8,157.24/11,256.77 = 4,621.59/x
  3. Step 3: Cross multiply
    8,157.24x = 11,256.77 × 4,621.59
  4. Step 4: Simplify right side
    8,157.24x = 52,024,187.22
  5. Step 5: Solve for x
    x = 52,024,187.22/8,157.24
  6. Step 6: Final answer
    x = 6,377.67

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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.