Home / 7,845.76-10,827.36-4,442.50

Finding the Fourth Proportional to 7,845.76, 10,827.36 and 4,442.50

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Solution

The fourth proportional to 7,845.76, 10,827.36 and 4,442.50 is: 6,130.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.76 : 10,827.36 = 4,442.50 : x
  2. Step 2: Convert to fraction form
    7,845.76/10,827.36 = 4,442.50/x
  3. Step 3: Cross multiply
    7,845.76x = 10,827.36 × 4,442.50
  4. Step 4: Simplify right side
    7,845.76x = 48,100,546.80
  5. Step 5: Solve for x
    x = 48,100,546.80/7,845.76
  6. Step 6: Final answer
    x = 6,130.77

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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.