Home / 7,869.56-10,847.40-5,974.98

Finding the Fourth Proportional to 7,869.56, 10,847.40 and 5,974.98

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Solution

The fourth proportional to 7,869.56, 10,847.40 and 5,974.98 is: 8,235.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869.56 : 10,847.40 = 5,974.98 : x
  2. Step 2: Convert to fraction form
    7,869.56/10,847.40 = 5,974.98/x
  3. Step 3: Cross multiply
    7,869.56x = 10,847.40 × 5,974.98
  4. Step 4: Simplify right side
    7,869.56x = 64,812,998.05
  5. Step 5: Solve for x
    x = 64,812,998.05/7,869.56
  6. Step 6: Final answer
    x = 8,235.91

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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.