Home / 8,379.32-12,570.98-2,535.56

Finding the Fourth Proportional to 8,379.32, 12,570.98 and 2,535.56

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Solution

The fourth proportional to 8,379.32, 12,570.98 and 2,535.56 is: 3,803.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,379.32 : 12,570.98 = 2,535.56 : x
  2. Step 2: Convert to fraction form
    8,379.32/12,570.98 = 2,535.56/x
  3. Step 3: Cross multiply
    8,379.32x = 12,570.98 × 2,535.56
  4. Step 4: Simplify right side
    8,379.32x = 31,874,417.53
  5. Step 5: Solve for x
    x = 31,874,417.53/8,379.32
  6. Step 6: Final answer
    x = 3,803.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.