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Finding the Fourth Proportional to 8,505.63, 12,760.74 and 6,056.10

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Solution

The fourth proportional to 8,505.63, 12,760.74 and 6,056.10 is: 9,085.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,505.63 : 12,760.74 = 6,056.10 : x
  2. Step 2: Convert to fraction form
    8,505.63/12,760.74 = 6,056.10/x
  3. Step 3: Cross multiply
    8,505.63x = 12,760.74 × 6,056.10
  4. Step 4: Simplify right side
    8,505.63x = 77,280,317.51
  5. Step 5: Solve for x
    x = 77,280,317.51/8,505.63
  6. Step 6: Final answer
    x = 9,085.78

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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.