Home / 7,845.38-10,826.88-4,308.67

Finding the Fourth Proportional to 7,845.38, 10,826.88 and 4,308.67

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Solution

The fourth proportional to 7,845.38, 10,826.88 and 4,308.67 is: 5,946.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.38 : 10,826.88 = 4,308.67 : x
  2. Step 2: Convert to fraction form
    7,845.38/10,826.88 = 4,308.67/x
  3. Step 3: Cross multiply
    7,845.38x = 10,826.88 × 4,308.67
  4. Step 4: Simplify right side
    7,845.38x = 46,649,431.51
  5. Step 5: Solve for x
    x = 46,649,431.51/7,845.38
  6. Step 6: Final answer
    x = 5,946.10

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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.