Home / 5,617.73-8,426.72-1,457.90

Finding the Fourth Proportional to 5,617.73, 8,426.72 and 1,457.90

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Solution

The fourth proportional to 5,617.73, 8,426.72 and 1,457.90 is: 2,186.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.73 : 8,426.72 = 1,457.90 : x
  2. Step 2: Convert to fraction form
    5,617.73/8,426.72 = 1,457.90/x
  3. Step 3: Cross multiply
    5,617.73x = 8,426.72 × 1,457.90
  4. Step 4: Simplify right side
    5,617.73x = 12,285,305.47
  5. Step 5: Solve for x
    x = 12,285,305.47/5,617.73
  6. Step 6: Final answer
    x = 2,186.88

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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.