Home / 7,735.41-10,674.67-4,378.20

Finding the Fourth Proportional to 7,735.41, 10,674.67 and 4,378.20

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Solution

The fourth proportional to 7,735.41, 10,674.67 and 4,378.20 is: 6,041.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,735.41 : 10,674.67 = 4,378.20 : x
  2. Step 2: Convert to fraction form
    7,735.41/10,674.67 = 4,378.20/x
  3. Step 3: Cross multiply
    7,735.41x = 10,674.67 × 4,378.20
  4. Step 4: Simplify right side
    7,735.41x = 46,735,840.19
  5. Step 5: Solve for x
    x = 46,735,840.19/7,735.41
  6. Step 6: Final answer
    x = 6,041.81

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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.