Home / 8,553.02-12,805.86-4,384.04

Finding the Fourth Proportional to 8,553.02, 12,805.86 and 4,384.04

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Solution

The fourth proportional to 8,553.02, 12,805.86 and 4,384.04 is: 6,563.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,553.02 : 12,805.86 = 4,384.04 : x
  2. Step 2: Convert to fraction form
    8,553.02/12,805.86 = 4,384.04/x
  3. Step 3: Cross multiply
    8,553.02x = 12,805.86 × 4,384.04
  4. Step 4: Simplify right side
    8,553.02x = 56,141,402.47
  5. Step 5: Solve for x
    x = 56,141,402.47/8,553.02
  6. Step 6: Final answer
    x = 6,563.93

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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.