Home / 7,258.26-10,888.86-2,875.88

Finding the Fourth Proportional to 7,258.26, 10,888.86 and 2,875.88

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Solution

The fourth proportional to 7,258.26, 10,888.86 and 2,875.88 is: 4,314.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,258.26 : 10,888.86 = 2,875.88 : x
  2. Step 2: Convert to fraction form
    7,258.26/10,888.86 = 2,875.88/x
  3. Step 3: Cross multiply
    7,258.26x = 10,888.86 × 2,875.88
  4. Step 4: Simplify right side
    7,258.26x = 31,315,054.70
  5. Step 5: Solve for x
    x = 31,315,054.70/7,258.26
  6. Step 6: Final answer
    x = 4,314.40

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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.