Home / 8,148.51-12,226.41-4,685.76

Finding the Fourth Proportional to 8,148.51, 12,226.41 and 4,685.76

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Solution

The fourth proportional to 8,148.51, 12,226.41 and 4,685.76 is: 7,030.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148.51 : 12,226.41 = 4,685.76 : x
  2. Step 2: Convert to fraction form
    8,148.51/12,226.41 = 4,685.76/x
  3. Step 3: Cross multiply
    8,148.51x = 12,226.41 × 4,685.76
  4. Step 4: Simplify right side
    8,148.51x = 57,290,022.92
  5. Step 5: Solve for x
    x = 57,290,022.92/8,148.51
  6. Step 6: Final answer
    x = 7,030.74

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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.