Home / 7,928.76-10,941.93-4,392.30

Finding the Fourth Proportional to 7,928.76, 10,941.93 and 4,392.30

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Solution

The fourth proportional to 7,928.76, 10,941.93 and 4,392.30 is: 6,061.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.76 : 10,941.93 = 4,392.30 : x
  2. Step 2: Convert to fraction form
    7,928.76/10,941.93 = 4,392.30/x
  3. Step 3: Cross multiply
    7,928.76x = 10,941.93 × 4,392.30
  4. Step 4: Simplify right side
    7,928.76x = 48,060,239.14
  5. Step 5: Solve for x
    x = 48,060,239.14/7,928.76
  6. Step 6: Final answer
    x = 6,061.51

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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.