Home / 8,130.05-12,186.76-4,612.63

Finding the Fourth Proportional to 8,130.05, 12,186.76 and 4,612.63

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Solution

The fourth proportional to 8,130.05, 12,186.76 and 4,612.63 is: 6,914.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130.05 : 12,186.76 = 4,612.63 : x
  2. Step 2: Convert to fraction form
    8,130.05/12,186.76 = 4,612.63/x
  3. Step 3: Cross multiply
    8,130.05x = 12,186.76 × 4,612.63
  4. Step 4: Simplify right side
    8,130.05x = 56,212,953.85
  5. Step 5: Solve for x
    x = 56,212,953.85/8,130.05
  6. Step 6: Final answer
    x = 6,914.22

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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.