Home / 7,440.84-10,268.81-4,918.57

Finding the Fourth Proportional to 7,440.84, 10,268.81 and 4,918.57

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Solution

The fourth proportional to 7,440.84, 10,268.81 and 4,918.57 is: 6,787.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.84 : 10,268.81 = 4,918.57 : x
  2. Step 2: Convert to fraction form
    7,440.84/10,268.81 = 4,918.57/x
  3. Step 3: Cross multiply
    7,440.84x = 10,268.81 × 4,918.57
  4. Step 4: Simplify right side
    7,440.84x = 50,507,860.80
  5. Step 5: Solve for x
    x = 50,507,860.80/7,440.84
  6. Step 6: Final answer
    x = 6,787.92

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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.