Home / 7,258.80-10,019.40-5,769.36

Finding the Fourth Proportional to 7,258.80, 10,019.40 and 5,769.36

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Solution

The fourth proportional to 7,258.80, 10,019.40 and 5,769.36 is: 7,963.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,258.80 : 10,019.40 = 5,769.36 : x
  2. Step 2: Convert to fraction form
    7,258.80/10,019.40 = 5,769.36/x
  3. Step 3: Cross multiply
    7,258.80x = 10,019.40 × 5,769.36
  4. Step 4: Simplify right side
    7,258.80x = 57,805,525.58
  5. Step 5: Solve for x
    x = 57,805,525.58/7,258.80
  6. Step 6: Final answer
    x = 7,963.51

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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.