Home / 4,837.60-7,258.02-1,916.20

Finding the Fourth Proportional to 4,837.60, 7,258.02 and 1,916.20

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Solution

The fourth proportional to 4,837.60, 7,258.02 and 1,916.20 is: 2,874.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,837.60 : 7,258.02 = 1,916.20 : x
  2. Step 2: Convert to fraction form
    4,837.60/7,258.02 = 1,916.20/x
  3. Step 3: Cross multiply
    4,837.60x = 7,258.02 × 1,916.20
  4. Step 4: Simplify right side
    4,837.60x = 13,907,817.92
  5. Step 5: Solve for x
    x = 13,907,817.92/4,837.60
  6. Step 6: Final answer
    x = 2,874.94

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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.