Home / 7,342.20-11,006.06-4,702.21

Finding the Fourth Proportional to 7,342.20, 11,006.06 and 4,702.21

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Solution

The fourth proportional to 7,342.20, 11,006.06 and 4,702.21 is: 7,048.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.20 : 11,006.06 = 4,702.21 : x
  2. Step 2: Convert to fraction form
    7,342.20/11,006.06 = 4,702.21/x
  3. Step 3: Cross multiply
    7,342.20x = 11,006.06 × 4,702.21
  4. Step 4: Simplify right side
    7,342.20x = 51,752,772.00
  5. Step 5: Solve for x
    x = 51,752,772.00/7,342.20
  6. Step 6: Final answer
    x = 7,048.67

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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.