Home / 6,124.70-8,451.51-4,238.30

Finding the Fourth Proportional to 6,124.70, 8,451.51 and 4,238.30

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Solution

The fourth proportional to 6,124.70, 8,451.51 and 4,238.30 is: 5,848.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,124.70 : 8,451.51 = 4,238.30 : x
  2. Step 2: Convert to fraction form
    6,124.70/8,451.51 = 4,238.30/x
  3. Step 3: Cross multiply
    6,124.70x = 8,451.51 × 4,238.30
  4. Step 4: Simplify right side
    6,124.70x = 35,820,034.83
  5. Step 5: Solve for x
    x = 35,820,034.83/6,124.70
  6. Step 6: Final answer
    x = 5,848.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.