Home / 8,637.96-12,957.02-2,794.58

Finding the Fourth Proportional to 8,637.96, 12,957.02 and 2,794.58

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Solution

The fourth proportional to 8,637.96, 12,957.02 and 2,794.58 is: 4,191.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,637.96 : 12,957.02 = 2,794.58 : x
  2. Step 2: Convert to fraction form
    8,637.96/12,957.02 = 2,794.58/x
  3. Step 3: Cross multiply
    8,637.96x = 12,957.02 × 2,794.58
  4. Step 4: Simplify right side
    8,637.96x = 36,209,428.95
  5. Step 5: Solve for x
    x = 36,209,428.95/8,637.96
  6. Step 6: Final answer
    x = 4,191.90

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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.