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Finding the Fourth Proportional to 5,000.36, 7,501.75 and 1,490.22

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Solution

The fourth proportional to 5,000.36, 7,501.75 and 1,490.22 is: 2,235.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.36 : 7,501.75 = 1,490.22 : x
  2. Step 2: Convert to fraction form
    5,000.36/7,501.75 = 1,490.22/x
  3. Step 3: Cross multiply
    5,000.36x = 7,501.75 × 1,490.22
  4. Step 4: Simplify right side
    5,000.36x = 11,179,254.16
  5. Step 5: Solve for x
    x = 11,179,254.16/5,000.36
  6. Step 6: Final answer
    x = 2,235.69

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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.