Home / 8,714.28-12,025.73-4,735.45

Finding the Fourth Proportional to 8,714.28, 12,025.73 and 4,735.45

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Solution

The fourth proportional to 8,714.28, 12,025.73 and 4,735.45 is: 6,534.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,714.28 : 12,025.73 = 4,735.45 : x
  2. Step 2: Convert to fraction form
    8,714.28/12,025.73 = 4,735.45/x
  3. Step 3: Cross multiply
    8,714.28x = 12,025.73 × 4,735.45
  4. Step 4: Simplify right side
    8,714.28x = 56,947,243.13
  5. Step 5: Solve for x
    x = 56,947,243.13/8,714.28
  6. Step 6: Final answer
    x = 6,534.93

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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.