Home / 7,240.65-10,862.33-2,858.14

Finding the Fourth Proportional to 7,240.65, 10,862.33 and 2,858.14

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Solution

The fourth proportional to 7,240.65, 10,862.33 and 2,858.14 is: 4,287.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240.65 : 10,862.33 = 2,858.14 : x
  2. Step 2: Convert to fraction form
    7,240.65/10,862.33 = 2,858.14/x
  3. Step 3: Cross multiply
    7,240.65x = 10,862.33 × 2,858.14
  4. Step 4: Simplify right side
    7,240.65x = 31,046,059.87
  5. Step 5: Solve for x
    x = 31,046,059.87/7,240.65
  6. Step 6: Final answer
    x = 4,287.74

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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.