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Finding the Fourth Proportional to 6,360.58, 8,784.47 and 4,960.90

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Solution

The fourth proportional to 6,360.58, 8,784.47 and 4,960.90 is: 6,851.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,360.58 : 8,784.47 = 4,960.90 : x
  2. Step 2: Convert to fraction form
    6,360.58/8,784.47 = 4,960.90/x
  3. Step 3: Cross multiply
    6,360.58x = 8,784.47 × 4,960.90
  4. Step 4: Simplify right side
    6,360.58x = 43,578,872.70
  5. Step 5: Solve for x
    x = 43,578,872.70/6,360.58
  6. Step 6: Final answer
    x = 6,851.40

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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.