Home / 8,430.72-11,634.84-4,895.04

Finding the Fourth Proportional to 8,430.72, 11,634.84 and 4,895.04

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Solution

The fourth proportional to 8,430.72, 11,634.84 and 4,895.04 is: 6,755.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,430.72 : 11,634.84 = 4,895.04 : x
  2. Step 2: Convert to fraction form
    8,430.72/11,634.84 = 4,895.04/x
  3. Step 3: Cross multiply
    8,430.72x = 11,634.84 × 4,895.04
  4. Step 4: Simplify right side
    8,430.72x = 56,953,007.19
  5. Step 5: Solve for x
    x = 56,953,007.19/8,430.72
  6. Step 6: Final answer
    x = 6,755.41

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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.