Home / 8,190.70-11,294.23-5,533.50

Finding the Fourth Proportional to 8,190.70, 11,294.23 and 5,533.50

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Solution

The fourth proportional to 8,190.70, 11,294.23 and 5,533.50 is: 7,630.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190.70 : 11,294.23 = 5,533.50 : x
  2. Step 2: Convert to fraction form
    8,190.70/11,294.23 = 5,533.50/x
  3. Step 3: Cross multiply
    8,190.70x = 11,294.23 × 5,533.50
  4. Step 4: Simplify right side
    8,190.70x = 62,496,621.71
  5. Step 5: Solve for x
    x = 62,496,621.71/8,190.70
  6. Step 6: Final answer
    x = 7,630.19

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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.