Home / 7,847.38-10,830.34-4,535.38

Finding the Fourth Proportional to 7,847.38, 10,830.34 and 4,535.38

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Solution

The fourth proportional to 7,847.38, 10,830.34 and 4,535.38 is: 6,259.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,847.38 : 10,830.34 = 4,535.38 : x
  2. Step 2: Convert to fraction form
    7,847.38/10,830.34 = 4,535.38/x
  3. Step 3: Cross multiply
    7,847.38x = 10,830.34 × 4,535.38
  4. Step 4: Simplify right side
    7,847.38x = 49,119,653.28
  5. Step 5: Solve for x
    x = 49,119,653.28/7,847.38
  6. Step 6: Final answer
    x = 6,259.37

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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.