Home / 4,647.60-6,971.40-1,874.70

Finding the Fourth Proportional to 4,647.60, 6,971.40 and 1,874.70

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Solution

The fourth proportional to 4,647.60, 6,971.40 and 1,874.70 is: 2,812.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647.60 : 6,971.40 = 1,874.70 : x
  2. Step 2: Convert to fraction form
    4,647.60/6,971.40 = 1,874.70/x
  3. Step 3: Cross multiply
    4,647.60x = 6,971.40 × 1,874.70
  4. Step 4: Simplify right side
    4,647.60x = 13,069,283.58
  5. Step 5: Solve for x
    x = 13,069,283.58/4,647.60
  6. Step 6: Final answer
    x = 2,812.05

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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.