Home / 4,389.51-6,586.87-1,618.13

Finding the Fourth Proportional to 4,389.51, 6,586.87 and 1,618.13

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Solution

The fourth proportional to 4,389.51, 6,586.87 and 1,618.13 is: 2,428.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,389.51 : 6,586.87 = 1,618.13 : x
  2. Step 2: Convert to fraction form
    4,389.51/6,586.87 = 1,618.13/x
  3. Step 3: Cross multiply
    4,389.51x = 6,586.87 × 1,618.13
  4. Step 4: Simplify right side
    4,389.51x = 10,658,424.37
  5. Step 5: Solve for x
    x = 10,658,424.37/4,389.51
  6. Step 6: Final answer
    x = 2,428.16

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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.