Home / 6,918.31-10,378.86-2,535.67

Finding the Fourth Proportional to 6,918.31, 10,378.86 and 2,535.67

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Solution

The fourth proportional to 6,918.31, 10,378.86 and 2,535.67 is: 3,804.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.31 : 10,378.86 = 2,535.67 : x
  2. Step 2: Convert to fraction form
    6,918.31/10,378.86 = 2,535.67/x
  3. Step 3: Cross multiply
    6,918.31x = 10,378.86 × 2,535.67
  4. Step 4: Simplify right side
    6,918.31x = 26,317,363.94
  5. Step 5: Solve for x
    x = 26,317,363.94/6,918.31
  6. Step 6: Final answer
    x = 3,804.02

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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.