Home / 7,130.37-10,685.11-4,016.44

Finding the Fourth Proportional to 7,130.37, 10,685.11 and 4,016.44

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Solution

The fourth proportional to 7,130.37, 10,685.11 and 4,016.44 is: 6,018.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130.37 : 10,685.11 = 4,016.44 : x
  2. Step 2: Convert to fraction form
    7,130.37/10,685.11 = 4,016.44/x
  3. Step 3: Cross multiply
    7,130.37x = 10,685.11 × 4,016.44
  4. Step 4: Simplify right side
    7,130.37x = 42,916,083.13
  5. Step 5: Solve for x
    x = 42,916,083.13/7,130.37
  6. Step 6: Final answer
    x = 6,018.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.