Home / 7,845.30-10,826.50-4,308.50

Finding the Fourth Proportional to 7,845.30, 10,826.50 and 4,308.50

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Solution

The fourth proportional to 7,845.30, 10,826.50 and 4,308.50 is: 5,945.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.30 : 10,826.50 = 4,308.50 : x
  2. Step 2: Convert to fraction form
    7,845.30/10,826.50 = 4,308.50/x
  3. Step 3: Cross multiply
    7,845.30x = 10,826.50 × 4,308.50
  4. Step 4: Simplify right side
    7,845.30x = 46,645,975.25
  5. Step 5: Solve for x
    x = 46,645,975.25/7,845.30
  6. Step 6: Final answer
    x = 5,945.72

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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.