Home / 4,742.06-6,540.45-2,853.50

Finding the Fourth Proportional to 4,742.06, 6,540.45 and 2,853.50

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Solution

The fourth proportional to 4,742.06, 6,540.45 and 2,853.50 is: 3,935.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742.06 : 6,540.45 = 2,853.50 : x
  2. Step 2: Convert to fraction form
    4,742.06/6,540.45 = 2,853.50/x
  3. Step 3: Cross multiply
    4,742.06x = 6,540.45 × 2,853.50
  4. Step 4: Simplify right side
    4,742.06x = 18,663,174.08
  5. Step 5: Solve for x
    x = 18,663,174.08/4,742.06
  6. Step 6: Final answer
    x = 3,935.67

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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.