Home / 4,458.22-6,155.32-2,780.30

Finding the Fourth Proportional to 4,458.22, 6,155.32 and 2,780.30

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Solution

The fourth proportional to 4,458.22, 6,155.32 and 2,780.30 is: 3,838.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,458.22 : 6,155.32 = 2,780.30 : x
  2. Step 2: Convert to fraction form
    4,458.22/6,155.32 = 2,780.30/x
  3. Step 3: Cross multiply
    4,458.22x = 6,155.32 × 2,780.30
  4. Step 4: Simplify right side
    4,458.22x = 17,113,636.20
  5. Step 5: Solve for x
    x = 17,113,636.20/4,458.22
  6. Step 6: Final answer
    x = 3,838.67

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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.