Home / 7,745.57-10,686.49-4,387.16

Finding the Fourth Proportional to 7,745.57, 10,686.49 and 4,387.16

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Solution

The fourth proportional to 7,745.57, 10,686.49 and 4,387.16 is: 6,052.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,745.57 : 10,686.49 = 4,387.16 : x
  2. Step 2: Convert to fraction form
    7,745.57/10,686.49 = 4,387.16/x
  3. Step 3: Cross multiply
    7,745.57x = 10,686.49 × 4,387.16
  4. Step 4: Simplify right side
    7,745.57x = 46,883,278.79
  5. Step 5: Solve for x
    x = 46,883,278.79/7,745.57
  6. Step 6: Final answer
    x = 6,052.92

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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.