Home / 7,389.65-11,081.82-2,457.97

Finding the Fourth Proportional to 7,389.65, 11,081.82 and 2,457.97

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Solution

The fourth proportional to 7,389.65, 11,081.82 and 2,457.97 is: 3,686.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.65 : 11,081.82 = 2,457.97 : x
  2. Step 2: Convert to fraction form
    7,389.65/11,081.82 = 2,457.97/x
  3. Step 3: Cross multiply
    7,389.65x = 11,081.82 × 2,457.97
  4. Step 4: Simplify right side
    7,389.65x = 27,238,762.62
  5. Step 5: Solve for x
    x = 27,238,762.62/7,389.65
  6. Step 6: Final answer
    x = 3,686.07

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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.