Home / 4,911.60-7,367.40-4,838.70

Finding the Fourth Proportional to 4,911.60, 7,367.40 and 4,838.70

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Solution

The fourth proportional to 4,911.60, 7,367.40 and 4,838.70 is: 7,258.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.60 : 7,367.40 = 4,838.70 : x
  2. Step 2: Convert to fraction form
    4,911.60/7,367.40 = 4,838.70/x
  3. Step 3: Cross multiply
    4,911.60x = 7,367.40 × 4,838.70
  4. Step 4: Simplify right side
    4,911.60x = 35,648,638.38
  5. Step 5: Solve for x
    x = 35,648,638.38/4,911.60
  6. Step 6: Final answer
    x = 7,258.05

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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.