Home / 7,745.29-10,688.15-4,388.03

Finding the Fourth Proportional to 7,745.29, 10,688.15 and 4,388.03

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Solution

The fourth proportional to 7,745.29, 10,688.15 and 4,388.03 is: 6,055.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,745.29 : 10,688.15 = 4,388.03 : x
  2. Step 2: Convert to fraction form
    7,745.29/10,688.15 = 4,388.03/x
  3. Step 3: Cross multiply
    7,745.29x = 10,688.15 × 4,388.03
  4. Step 4: Simplify right side
    7,745.29x = 46,899,900.90
  5. Step 5: Solve for x
    x = 46,899,900.90/7,745.29
  6. Step 6: Final answer
    x = 6,055.28

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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.