Home / 8,424.74-12,637.72-2,580.58

Finding the Fourth Proportional to 8,424.74, 12,637.72 and 2,580.58

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Solution

The fourth proportional to 8,424.74, 12,637.72 and 2,580.58 is: 3,871.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424.74 : 12,637.72 = 2,580.58 : x
  2. Step 2: Convert to fraction form
    8,424.74/12,637.72 = 2,580.58/x
  3. Step 3: Cross multiply
    8,424.74x = 12,637.72 × 2,580.58
  4. Step 4: Simplify right side
    8,424.74x = 32,612,647.48
  5. Step 5: Solve for x
    x = 32,612,647.48/8,424.74
  6. Step 6: Final answer
    x = 3,871.06

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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.