Home / 4,389.84-6,581.52-2,658.06

Finding the Fourth Proportional to 4,389.84, 6,581.52 and 2,658.06

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Solution

The fourth proportional to 4,389.84, 6,581.52 and 2,658.06 is: 3,985.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,389.84 : 6,581.52 = 2,658.06 : x
  2. Step 2: Convert to fraction form
    4,389.84/6,581.52 = 2,658.06/x
  3. Step 3: Cross multiply
    4,389.84x = 6,581.52 × 2,658.06
  4. Step 4: Simplify right side
    4,389.84x = 17,494,075.05
  5. Step 5: Solve for x
    x = 17,494,075.05/4,389.84
  6. Step 6: Final answer
    x = 3,985.13

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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.