Home / 8,540.48-12,810.72-2,384.32

Finding the Fourth Proportional to 8,540.48, 12,810.72 and 2,384.32

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Solution

The fourth proportional to 8,540.48, 12,810.72 and 2,384.32 is: 3,576.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,540.48 : 12,810.72 = 2,384.32 : x
  2. Step 2: Convert to fraction form
    8,540.48/12,810.72 = 2,384.32/x
  3. Step 3: Cross multiply
    8,540.48x = 12,810.72 × 2,384.32
  4. Step 4: Simplify right side
    8,540.48x = 30,544,855.91
  5. Step 5: Solve for x
    x = 30,544,855.91/8,540.48
  6. Step 6: Final answer
    x = 3,576.48

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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.