Home / 7,686.98-10,608.54-4,284.51

Finding the Fourth Proportional to 7,686.98, 10,608.54 and 4,284.51

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Solution

The fourth proportional to 7,686.98, 10,608.54 and 4,284.51 is: 5,912.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,686.98 : 10,608.54 = 4,284.51 : x
  2. Step 2: Convert to fraction form
    7,686.98/10,608.54 = 4,284.51/x
  3. Step 3: Cross multiply
    7,686.98x = 10,608.54 × 4,284.51
  4. Step 4: Simplify right side
    7,686.98x = 45,452,395.72
  5. Step 5: Solve for x
    x = 45,452,395.72/7,686.98
  6. Step 6: Final answer
    x = 5,912.91

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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.