Home / 5,133.21-7,699.69-1,435.36

Finding the Fourth Proportional to 5,133.21, 7,699.69 and 1,435.36

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Solution

The fourth proportional to 5,133.21, 7,699.69 and 1,435.36 is: 2,153.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.21 : 7,699.69 = 1,435.36 : x
  2. Step 2: Convert to fraction form
    5,133.21/7,699.69 = 1,435.36/x
  3. Step 3: Cross multiply
    5,133.21x = 7,699.69 × 1,435.36
  4. Step 4: Simplify right side
    5,133.21x = 11,051,827.04
  5. Step 5: Solve for x
    x = 11,051,827.04/5,133.21
  6. Step 6: Final answer
    x = 2,153.01

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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.