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Finding the Fourth Proportional to 6,090.50, 9,135.78 and 1,473.50

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Solution

The fourth proportional to 6,090.50, 9,135.78 and 1,473.50 is: 2,210.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,090.50 : 9,135.78 = 1,473.50 : x
  2. Step 2: Convert to fraction form
    6,090.50/9,135.78 = 1,473.50/x
  3. Step 3: Cross multiply
    6,090.50x = 9,135.78 × 1,473.50
  4. Step 4: Simplify right side
    6,090.50x = 13,461,571.83
  5. Step 5: Solve for x
    x = 13,461,571.83/6,090.50
  6. Step 6: Final answer
    x = 2,210.26

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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.