Home / 7,928.02-10,940.43-4,391.16

Finding the Fourth Proportional to 7,928.02, 10,940.43 and 4,391.16

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Solution

The fourth proportional to 7,928.02, 10,940.43 and 4,391.16 is: 6,059.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.02 : 10,940.43 = 4,391.16 : x
  2. Step 2: Convert to fraction form
    7,928.02/10,940.43 = 4,391.16/x
  3. Step 3: Cross multiply
    7,928.02x = 10,940.43 × 4,391.16
  4. Step 4: Simplify right side
    7,928.02x = 48,041,178.60
  5. Step 5: Solve for x
    x = 48,041,178.60/7,928.02
  6. Step 6: Final answer
    x = 6,059.67

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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.