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Finding the Fourth Proportional to 6,480.08, 9,720.14 and 1,800.35

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Solution

The fourth proportional to 6,480.08, 9,720.14 and 1,800.35 is: 2,700.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,480.08 : 9,720.14 = 1,800.35 : x
  2. Step 2: Convert to fraction form
    6,480.08/9,720.14 = 1,800.35/x
  3. Step 3: Cross multiply
    6,480.08x = 9,720.14 × 1,800.35
  4. Step 4: Simplify right side
    6,480.08x = 17,499,596.45
  5. Step 5: Solve for x
    x = 17,499,596.45/6,480.08
  6. Step 6: Final answer
    x = 2,700.52

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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.