Home / 6,880.16-10,308.48-4,538.72

Finding the Fourth Proportional to 6,880.16, 10,308.48 and 4,538.72

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Solution

The fourth proportional to 6,880.16, 10,308.48 and 4,538.72 is: 6,800.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,880.16 : 10,308.48 = 4,538.72 : x
  2. Step 2: Convert to fraction form
    6,880.16/10,308.48 = 4,538.72/x
  3. Step 3: Cross multiply
    6,880.16x = 10,308.48 × 4,538.72
  4. Step 4: Simplify right side
    6,880.16x = 46,787,304.35
  5. Step 5: Solve for x
    x = 46,787,304.35/6,880.16
  6. Step 6: Final answer
    x = 6,800.32

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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.