Home / 8,637.30-12,957.01-3,091.23

Finding the Fourth Proportional to 8,637.30, 12,957.01 and 3,091.23

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Solution

The fourth proportional to 8,637.30, 12,957.01 and 3,091.23 is: 4,637.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,637.30 : 12,957.01 = 3,091.23 : x
  2. Step 2: Convert to fraction form
    8,637.30/12,957.01 = 3,091.23/x
  3. Step 3: Cross multiply
    8,637.30x = 12,957.01 × 3,091.23
  4. Step 4: Simplify right side
    8,637.30x = 40,053,098.02
  5. Step 5: Solve for x
    x = 40,053,098.02/8,637.30
  6. Step 6: Final answer
    x = 4,637.22

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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.