Home / 7,928.60-10,941.01-4,391.60

Finding the Fourth Proportional to 7,928.60, 10,941.01 and 4,391.60

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Solution

The fourth proportional to 7,928.60, 10,941.01 and 4,391.60 is: 6,060.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.60 : 10,941.01 = 4,391.60 : x
  2. Step 2: Convert to fraction form
    7,928.60/10,941.01 = 4,391.60/x
  3. Step 3: Cross multiply
    7,928.60x = 10,941.01 × 4,391.60
  4. Step 4: Simplify right side
    7,928.60x = 48,048,473.83
  5. Step 5: Solve for x
    x = 48,048,473.83/7,928.60
  6. Step 6: Final answer
    x = 6,060.15

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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.