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Finding the Fourth Proportional to 6,560.08, 9,840.72 and 1,880.08

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Solution

The fourth proportional to 6,560.08, 9,840.72 and 1,880.08 is: 2,820.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,560.08 : 9,840.72 = 1,880.08 : x
  2. Step 2: Convert to fraction form
    6,560.08/9,840.72 = 1,880.08/x
  3. Step 3: Cross multiply
    6,560.08x = 9,840.72 × 1,880.08
  4. Step 4: Simplify right side
    6,560.08x = 18,501,340.86
  5. Step 5: Solve for x
    x = 18,501,340.86/6,560.08
  6. Step 6: Final answer
    x = 2,820.29

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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.