Home / 5,318.69-7,335.63-4,618.85

Finding the Fourth Proportional to 5,318.69, 7,335.63 and 4,618.85

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Solution

The fourth proportional to 5,318.69, 7,335.63 and 4,618.85 is: 6,370.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.69 : 7,335.63 = 4,618.85 : x
  2. Step 2: Convert to fraction form
    5,318.69/7,335.63 = 4,618.85/x
  3. Step 3: Cross multiply
    5,318.69x = 7,335.63 × 4,618.85
  4. Step 4: Simplify right side
    5,318.69x = 33,882,137.95
  5. Step 5: Solve for x
    x = 33,882,137.95/5,318.69
  6. Step 6: Final answer
    x = 6,370.40

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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.