Home / 8,378.98-12,570.56-2,535.60

Finding the Fourth Proportional to 8,378.98, 12,570.56 and 2,535.60

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Solution

The fourth proportional to 8,378.98, 12,570.56 and 2,535.60 is: 3,804.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378.98 : 12,570.56 = 2,535.60 : x
  2. Step 2: Convert to fraction form
    8,378.98/12,570.56 = 2,535.60/x
  3. Step 3: Cross multiply
    8,378.98x = 12,570.56 × 2,535.60
  4. Step 4: Simplify right side
    8,378.98x = 31,873,911.94
  5. Step 5: Solve for x
    x = 31,873,911.94/8,378.98
  6. Step 6: Final answer
    x = 3,804.03

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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.