Home / 5,259.75-7,258.59-2,869.76

Finding the Fourth Proportional to 5,259.75, 7,258.59 and 2,869.76

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Solution

The fourth proportional to 5,259.75, 7,258.59 and 2,869.76 is: 3,960.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.75 : 7,258.59 = 2,869.76 : x
  2. Step 2: Convert to fraction form
    5,259.75/7,258.59 = 2,869.76/x
  3. Step 3: Cross multiply
    5,259.75x = 7,258.59 × 2,869.76
  4. Step 4: Simplify right side
    5,259.75x = 20,830,396.89
  5. Step 5: Solve for x
    x = 20,830,396.89/5,259.75
  6. Step 6: Final answer
    x = 3,960.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.