Home / 8,144.51-12,220.41-4,681.76

Finding the Fourth Proportional to 8,144.51, 12,220.41 and 4,681.76

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Solution

The fourth proportional to 8,144.51, 12,220.41 and 4,681.76 is: 7,024.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,144.51 : 12,220.41 = 4,681.76 : x
  2. Step 2: Convert to fraction form
    8,144.51/12,220.41 = 4,681.76/x
  3. Step 3: Cross multiply
    8,144.51x = 12,220.41 × 4,681.76
  4. Step 4: Simplify right side
    8,144.51x = 57,213,026.72
  5. Step 5: Solve for x
    x = 57,213,026.72/8,144.51
  6. Step 6: Final answer
    x = 7,024.74

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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.