Home / 7,258.22-10,015.72-4,903.55

Finding the Fourth Proportional to 7,258.22, 10,015.72 and 4,903.55

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Solution

The fourth proportional to 7,258.22, 10,015.72 and 4,903.55 is: 6,766.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,258.22 : 10,015.72 = 4,903.55 : x
  2. Step 2: Convert to fraction form
    7,258.22/10,015.72 = 4,903.55/x
  3. Step 3: Cross multiply
    7,258.22x = 10,015.72 × 4,903.55
  4. Step 4: Simplify right side
    7,258.22x = 49,112,521.47
  5. Step 5: Solve for x
    x = 49,112,521.47/7,258.22
  6. Step 6: Final answer
    x = 6,766.47

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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.