Home / 6,720.12-10,077.60-2,336.40

Finding the Fourth Proportional to 6,720.12, 10,077.60 and 2,336.40

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Solution

The fourth proportional to 6,720.12, 10,077.60 and 2,336.40 is: 3,503.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720.12 : 10,077.60 = 2,336.40 : x
  2. Step 2: Convert to fraction form
    6,720.12/10,077.60 = 2,336.40/x
  3. Step 3: Cross multiply
    6,720.12x = 10,077.60 × 2,336.40
  4. Step 4: Simplify right side
    6,720.12x = 23,545,304.64
  5. Step 5: Solve for x
    x = 23,545,304.64/6,720.12
  6. Step 6: Final answer
    x = 3,503.70

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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.