Home / 8,383.10-12,555.36-4,864.34

Finding the Fourth Proportional to 8,383.10, 12,555.36 and 4,864.34

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Solution

The fourth proportional to 8,383.10, 12,555.36 and 4,864.34 is: 7,285.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,383.10 : 12,555.36 = 4,864.34 : x
  2. Step 2: Convert to fraction form
    8,383.10/12,555.36 = 4,864.34/x
  3. Step 3: Cross multiply
    8,383.10x = 12,555.36 × 4,864.34
  4. Step 4: Simplify right side
    8,383.10x = 61,073,539.86
  5. Step 5: Solve for x
    x = 61,073,539.86/8,383.10
  6. Step 6: Final answer
    x = 7,285.32

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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.