Home / 4,387.51-6,581.90-1,424.98

Finding the Fourth Proportional to 4,387.51, 6,581.90 and 1,424.98

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Solution

The fourth proportional to 4,387.51, 6,581.90 and 1,424.98 is: 2,137.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387.51 : 6,581.90 = 1,424.98 : x
  2. Step 2: Convert to fraction form
    4,387.51/6,581.90 = 1,424.98/x
  3. Step 3: Cross multiply
    4,387.51x = 6,581.90 × 1,424.98
  4. Step 4: Simplify right side
    4,387.51x = 9,379,075.86
  5. Step 5: Solve for x
    x = 9,379,075.86/4,387.51
  6. Step 6: Final answer
    x = 2,137.68

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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.