Home / 8,495.20-12,731.28-4,795.60

Finding the Fourth Proportional to 8,495.20, 12,731.28 and 4,795.60

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Solution

The fourth proportional to 8,495.20, 12,731.28 and 4,795.60 is: 7,186.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,495.20 : 12,731.28 = 4,795.60 : x
  2. Step 2: Convert to fraction form
    8,495.20/12,731.28 = 4,795.60/x
  3. Step 3: Cross multiply
    8,495.20x = 12,731.28 × 4,795.60
  4. Step 4: Simplify right side
    8,495.20x = 61,054,126.37
  5. Step 5: Solve for x
    x = 61,054,126.37/8,495.20
  6. Step 6: Final answer
    x = 7,186.90

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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.