Home / 8,025.36-12,038.66-2,478.68

Finding the Fourth Proportional to 8,025.36, 12,038.66 and 2,478.68

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Solution

The fourth proportional to 8,025.36, 12,038.66 and 2,478.68 is: 3,718.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,025.36 : 12,038.66 = 2,478.68 : x
  2. Step 2: Convert to fraction form
    8,025.36/12,038.66 = 2,478.68/x
  3. Step 3: Cross multiply
    8,025.36x = 12,038.66 × 2,478.68
  4. Step 4: Simplify right side
    8,025.36x = 29,839,985.77
  5. Step 5: Solve for x
    x = 29,839,985.77/8,025.36
  6. Step 6: Final answer
    x = 3,718.21

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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.