Home / 7,645.83-10,535.43-6,147.73

Finding the Fourth Proportional to 7,645.83, 10,535.43 and 6,147.73

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Solution

The fourth proportional to 7,645.83, 10,535.43 and 6,147.73 is: 8,471.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,645.83 : 10,535.43 = 6,147.73 : x
  2. Step 2: Convert to fraction form
    7,645.83/10,535.43 = 6,147.73/x
  3. Step 3: Cross multiply
    7,645.83x = 10,535.43 × 6,147.73
  4. Step 4: Simplify right side
    7,645.83x = 64,768,979.07
  5. Step 5: Solve for x
    x = 64,768,979.07/7,645.83
  6. Step 6: Final answer
    x = 8,471.15

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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.