Home / 8,130.21-12,195.27-2,864.00

Finding the Fourth Proportional to 8,130.21, 12,195.27 and 2,864.00

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Solution

The fourth proportional to 8,130.21, 12,195.27 and 2,864.00 is: 4,295.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130.21 : 12,195.27 = 2,864.00 : x
  2. Step 2: Convert to fraction form
    8,130.21/12,195.27 = 2,864.00/x
  3. Step 3: Cross multiply
    8,130.21x = 12,195.27 × 2,864.00
  4. Step 4: Simplify right side
    8,130.21x = 34,927,192.30
  5. Step 5: Solve for x
    x = 34,927,192.30/8,130.21
  6. Step 6: Final answer
    x = 4,295.98

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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.