Home / 8,637.57-12,953.61-2,792.79

Finding the Fourth Proportional to 8,637.57, 12,953.61 and 2,792.79

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Solution

The fourth proportional to 8,637.57, 12,953.61 and 2,792.79 is: 4,188.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,637.57 : 12,953.61 = 2,792.79 : x
  2. Step 2: Convert to fraction form
    8,637.57/12,953.61 = 2,792.79/x
  3. Step 3: Cross multiply
    8,637.57x = 12,953.61 × 2,792.79
  4. Step 4: Simplify right side
    8,637.57x = 36,176,712.47
  5. Step 5: Solve for x
    x = 36,176,712.47/8,637.57
  6. Step 6: Final answer
    x = 4,188.30

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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.