Home / 7,928.85-10,937.19-4,905.16

Finding the Fourth Proportional to 7,928.85, 10,937.19 and 4,905.16

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Solution

The fourth proportional to 7,928.85, 10,937.19 and 4,905.16 is: 6,766.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.85 : 10,937.19 = 4,905.16 : x
  2. Step 2: Convert to fraction form
    7,928.85/10,937.19 = 4,905.16/x
  3. Step 3: Cross multiply
    7,928.85x = 10,937.19 × 4,905.16
  4. Step 4: Simplify right side
    7,928.85x = 53,648,657.95
  5. Step 5: Solve for x
    x = 53,648,657.95/7,928.85
  6. Step 6: Final answer
    x = 6,766.26

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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.