Home / 7,578.40-11,364.36-2,384.68

Finding the Fourth Proportional to 7,578.40, 11,364.36 and 2,384.68

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Solution

The fourth proportional to 7,578.40, 11,364.36 and 2,384.68 is: 3,576.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,578.40 : 11,364.36 = 2,384.68 : x
  2. Step 2: Convert to fraction form
    7,578.40/11,364.36 = 2,384.68/x
  3. Step 3: Cross multiply
    7,578.40x = 11,364.36 × 2,384.68
  4. Step 4: Simplify right side
    7,578.40x = 27,100,362.00
  5. Step 5: Solve for x
    x = 27,100,362.00/7,578.40
  6. Step 6: Final answer
    x = 3,576.00

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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.