Home / 7,146.05-9,855.11-4,625.52

Finding the Fourth Proportional to 7,146.05, 9,855.11 and 4,625.52

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Solution

The fourth proportional to 7,146.05, 9,855.11 and 4,625.52 is: 6,379.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146.05 : 9,855.11 = 4,625.52 : x
  2. Step 2: Convert to fraction form
    7,146.05/9,855.11 = 4,625.52/x
  3. Step 3: Cross multiply
    7,146.05x = 9,855.11 × 4,625.52
  4. Step 4: Simplify right side
    7,146.05x = 45,584,985.28
  5. Step 5: Solve for x
    x = 45,584,985.28/7,146.05
  6. Step 6: Final answer
    x = 6,379.05

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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.