Home / 8,292.36-12,438.92-2,746.19

Finding the Fourth Proportional to 8,292.36, 12,438.92 and 2,746.19

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Solution

The fourth proportional to 8,292.36, 12,438.92 and 2,746.19 is: 4,119.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,292.36 : 12,438.92 = 2,746.19 : x
  2. Step 2: Convert to fraction form
    8,292.36/12,438.92 = 2,746.19/x
  3. Step 3: Cross multiply
    8,292.36x = 12,438.92 × 2,746.19
  4. Step 4: Simplify right side
    8,292.36x = 34,159,561.79
  5. Step 5: Solve for x
    x = 34,159,561.79/8,292.36
  6. Step 6: Final answer
    x = 4,119.40

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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.