Home / 8,148.21-12,214.51-2,598.49

Finding the Fourth Proportional to 8,148.21, 12,214.51 and 2,598.49

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Solution

The fourth proportional to 8,148.21, 12,214.51 and 2,598.49 is: 3,895.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148.21 : 12,214.51 = 2,598.49 : x
  2. Step 2: Convert to fraction form
    8,148.21/12,214.51 = 2,598.49/x
  3. Step 3: Cross multiply
    8,148.21x = 12,214.51 × 2,598.49
  4. Step 4: Simplify right side
    8,148.21x = 31,739,290.86
  5. Step 5: Solve for x
    x = 31,739,290.86/8,148.21
  6. Step 6: Final answer
    x = 3,895.25

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1.5x scale

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.