Home / 4,687.13-7,026.21-1,724.90

Finding the Fourth Proportional to 4,687.13, 7,026.21 and 1,724.90

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Solution

The fourth proportional to 4,687.13, 7,026.21 and 1,724.90 is: 2,585.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.13 : 7,026.21 = 1,724.90 : x
  2. Step 2: Convert to fraction form
    4,687.13/7,026.21 = 1,724.90/x
  3. Step 3: Cross multiply
    4,687.13x = 7,026.21 × 1,724.90
  4. Step 4: Simplify right side
    4,687.13x = 12,119,474.50
  5. Step 5: Solve for x
    x = 12,119,474.50/4,687.13
  6. Step 6: Final answer
    x = 2,585.69

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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.