Home / 5,017.89-7,526.73-1,320.36

Finding the Fourth Proportional to 5,017.89, 7,526.73 and 1,320.36

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Solution

The fourth proportional to 5,017.89, 7,526.73 and 1,320.36 is: 1,980.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,017.89 : 7,526.73 = 1,320.36 : x
  2. Step 2: Convert to fraction form
    5,017.89/7,526.73 = 1,320.36/x
  3. Step 3: Cross multiply
    5,017.89x = 7,526.73 × 1,320.36
  4. Step 4: Simplify right side
    5,017.89x = 9,937,993.22
  5. Step 5: Solve for x
    x = 9,937,993.22/5,017.89
  6. Step 6: Final answer
    x = 1,980.51

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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.