Home / 7,719.02-10,651.62-4,362.12

Finding the Fourth Proportional to 7,719.02, 10,651.62 and 4,362.12

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Solution

The fourth proportional to 7,719.02, 10,651.62 and 4,362.12 is: 6,019.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719.02 : 10,651.62 = 4,362.12 : x
  2. Step 2: Convert to fraction form
    7,719.02/10,651.62 = 4,362.12/x
  3. Step 3: Cross multiply
    7,719.02x = 10,651.62 × 4,362.12
  4. Step 4: Simplify right side
    7,719.02x = 46,463,644.63
  5. Step 5: Solve for x
    x = 46,463,644.63/7,719.02
  6. Step 6: Final answer
    x = 6,019.37

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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.