Home / 7,719.44-10,653.80-4,362.40

Finding the Fourth Proportional to 7,719.44, 10,653.80 and 4,362.40

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Solution

The fourth proportional to 7,719.44, 10,653.80 and 4,362.40 is: 6,020.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719.44 : 10,653.80 = 4,362.40 : x
  2. Step 2: Convert to fraction form
    7,719.44/10,653.80 = 4,362.40/x
  3. Step 3: Cross multiply
    7,719.44x = 10,653.80 × 4,362.40
  4. Step 4: Simplify right side
    7,719.44x = 46,476,137.12
  5. Step 5: Solve for x
    x = 46,476,137.12/7,719.44
  6. Step 6: Final answer
    x = 6,020.66

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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.