Home / 8,814.04-12,160.95-5,672.05

Finding the Fourth Proportional to 8,814.04, 12,160.95 and 5,672.05

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Solution

The fourth proportional to 8,814.04, 12,160.95 and 5,672.05 is: 7,825.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,814.04 : 12,160.95 = 5,672.05 : x
  2. Step 2: Convert to fraction form
    8,814.04/12,160.95 = 5,672.05/x
  3. Step 3: Cross multiply
    8,814.04x = 12,160.95 × 5,672.05
  4. Step 4: Simplify right side
    8,814.04x = 68,977,464.77
  5. Step 5: Solve for x
    x = 68,977,464.77/8,814.04
  6. Step 6: Final answer
    x = 7,825.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.