Home / 7,845.56-10,826.84-4,308.80

Finding the Fourth Proportional to 7,845.56, 10,826.84 and 4,308.80

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Solution

The fourth proportional to 7,845.56, 10,826.84 and 4,308.80 is: 5,946.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.56 : 10,826.84 = 4,308.80 : x
  2. Step 2: Convert to fraction form
    7,845.56/10,826.84 = 4,308.80/x
  3. Step 3: Cross multiply
    7,845.56x = 10,826.84 × 4,308.80
  4. Step 4: Simplify right side
    7,845.56x = 46,650,688.19
  5. Step 5: Solve for x
    x = 46,650,688.19/7,845.56
  6. Step 6: Final answer
    x = 5,946.13

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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.