Home / 4,718.60-6,511.56-3,040.40

Finding the Fourth Proportional to 4,718.60, 6,511.56 and 3,040.40

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Solution

The fourth proportional to 4,718.60, 6,511.56 and 3,040.40 is: 4,195.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,718.60 : 6,511.56 = 3,040.40 : x
  2. Step 2: Convert to fraction form
    4,718.60/6,511.56 = 3,040.40/x
  3. Step 3: Cross multiply
    4,718.60x = 6,511.56 × 3,040.40
  4. Step 4: Simplify right side
    4,718.60x = 19,797,747.02
  5. Step 5: Solve for x
    x = 19,797,747.02/4,718.60
  6. Step 6: Final answer
    x = 4,195.68

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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.