Home / 4,638.72-6,400.44-2,750.91

Finding the Fourth Proportional to 4,638.72, 6,400.44 and 2,750.91

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Solution

The fourth proportional to 4,638.72, 6,400.44 and 2,750.91 is: 3,795.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638.72 : 6,400.44 = 2,750.91 : x
  2. Step 2: Convert to fraction form
    4,638.72/6,400.44 = 2,750.91/x
  3. Step 3: Cross multiply
    4,638.72x = 6,400.44 × 2,750.91
  4. Step 4: Simplify right side
    4,638.72x = 17,607,034.40
  5. Step 5: Solve for x
    x = 17,607,034.40/4,638.72
  6. Step 6: Final answer
    x = 3,795.67

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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.