Home / 7,328.20-11,000.40-4,047.70

Finding the Fourth Proportional to 7,328.20, 11,000.40 and 4,047.70

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Solution

The fourth proportional to 7,328.20, 11,000.40 and 4,047.70 is: 6,076.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328.20 : 11,000.40 = 4,047.70 : x
  2. Step 2: Convert to fraction form
    7,328.20/11,000.40 = 4,047.70/x
  3. Step 3: Cross multiply
    7,328.20x = 11,000.40 × 4,047.70
  4. Step 4: Simplify right side
    7,328.20x = 44,526,319.08
  5. Step 5: Solve for x
    x = 44,526,319.08/7,328.20
  6. Step 6: Final answer
    x = 6,076.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.