Home / 4,810.89-7,215.43-1,690.17

Finding the Fourth Proportional to 4,810.89, 7,215.43 and 1,690.17

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Solution

The fourth proportional to 4,810.89, 7,215.43 and 1,690.17 is: 2,534.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,810.89 : 7,215.43 = 1,690.17 : x
  2. Step 2: Convert to fraction form
    4,810.89/7,215.43 = 1,690.17/x
  3. Step 3: Cross multiply
    4,810.89x = 7,215.43 × 1,690.17
  4. Step 4: Simplify right side
    4,810.89x = 12,195,275.21
  5. Step 5: Solve for x
    x = 12,195,275.21/4,810.89
  6. Step 6: Final answer
    x = 2,534.93

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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.