Home / 8,426.12-11,627.96-4,649.31

Finding the Fourth Proportional to 8,426.12, 11,627.96 and 4,649.31

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Solution

The fourth proportional to 8,426.12, 11,627.96 and 4,649.31 is: 6,416.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,426.12 : 11,627.96 = 4,649.31 : x
  2. Step 2: Convert to fraction form
    8,426.12/11,627.96 = 4,649.31/x
  3. Step 3: Cross multiply
    8,426.12x = 11,627.96 × 4,649.31
  4. Step 4: Simplify right side
    8,426.12x = 54,061,967.46
  5. Step 5: Solve for x
    x = 54,061,967.46/8,426.12
  6. Step 6: Final answer
    x = 6,416.00

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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.