Home / 7,389.12-11,076.48-2,456.22

Finding the Fourth Proportional to 7,389.12, 11,076.48 and 2,456.22

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Solution

The fourth proportional to 7,389.12, 11,076.48 and 2,456.22 is: 3,681.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.12 : 11,076.48 = 2,456.22 : x
  2. Step 2: Convert to fraction form
    7,389.12/11,076.48 = 2,456.22/x
  3. Step 3: Cross multiply
    7,389.12x = 11,076.48 × 2,456.22
  4. Step 4: Simplify right side
    7,389.12x = 27,206,271.71
  5. Step 5: Solve for x
    x = 27,206,271.71/7,389.12
  6. Step 6: Final answer
    x = 3,681.94

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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.