Home / 4,647.74-6,411.62-3,077.15

Finding the Fourth Proportional to 4,647.74, 6,411.62 and 3,077.15

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Solution

The fourth proportional to 4,647.74, 6,411.62 and 3,077.15 is: 4,244.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647.74 : 6,411.62 = 3,077.15 : x
  2. Step 2: Convert to fraction form
    4,647.74/6,411.62 = 3,077.15/x
  3. Step 3: Cross multiply
    4,647.74x = 6,411.62 × 3,077.15
  4. Step 4: Simplify right side
    4,647.74x = 19,729,492.12
  5. Step 5: Solve for x
    x = 19,729,492.12/4,647.74
  6. Step 6: Final answer
    x = 4,244.97

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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.