Home / 8,628.84-11,907.38-5,277.26

Finding the Fourth Proportional to 8,628.84, 11,907.38 and 5,277.26

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Solution

The fourth proportional to 8,628.84, 11,907.38 and 5,277.26 is: 7,282.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,628.84 : 11,907.38 = 5,277.26 : x
  2. Step 2: Convert to fraction form
    8,628.84/11,907.38 = 5,277.26/x
  3. Step 3: Cross multiply
    8,628.84x = 11,907.38 × 5,277.26
  4. Step 4: Simplify right side
    8,628.84x = 62,838,254.26
  5. Step 5: Solve for x
    x = 62,838,254.26/8,628.84
  6. Step 6: Final answer
    x = 7,282.35

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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.