Home / 7,745.18-10,685.76-4,387.64

Finding the Fourth Proportional to 7,745.18, 10,685.76 and 4,387.64

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Solution

The fourth proportional to 7,745.18, 10,685.76 and 4,387.64 is: 6,053.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,745.18 : 10,685.76 = 4,387.64 : x
  2. Step 2: Convert to fraction form
    7,745.18/10,685.76 = 4,387.64/x
  3. Step 3: Cross multiply
    7,745.18x = 10,685.76 × 4,387.64
  4. Step 4: Simplify right side
    7,745.18x = 46,885,268.01
  5. Step 5: Solve for x
    x = 46,885,268.01/7,745.18
  6. Step 6: Final answer
    x = 6,053.48

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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.