Home / 8,158.77-11,265.95-6,138.67

Finding the Fourth Proportional to 8,158.77, 11,265.95 and 6,138.67

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Solution

The fourth proportional to 8,158.77, 11,265.95 and 6,138.67 is: 8,476.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.77 : 11,265.95 = 6,138.67 : x
  2. Step 2: Convert to fraction form
    8,158.77/11,265.95 = 6,138.67/x
  3. Step 3: Cross multiply
    8,158.77x = 11,265.95 × 6,138.67
  4. Step 4: Simplify right side
    8,158.77x = 69,157,949.29
  5. Step 5: Solve for x
    x = 69,157,949.29/8,158.77
  6. Step 6: Final answer
    x = 8,476.52

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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.