Home / 7,845.79-10,827.42-4,442.55

Finding the Fourth Proportional to 7,845.79, 10,827.42 and 4,442.55

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Solution

The fourth proportional to 7,845.79, 10,827.42 and 4,442.55 is: 6,130.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.79 : 10,827.42 = 4,442.55 : x
  2. Step 2: Convert to fraction form
    7,845.79/10,827.42 = 4,442.55/x
  3. Step 3: Cross multiply
    7,845.79x = 10,827.42 × 4,442.55
  4. Step 4: Simplify right side
    7,845.79x = 48,101,354.72
  5. Step 5: Solve for x
    x = 48,101,354.72/7,845.79
  6. Step 6: Final answer
    x = 6,130.85

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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.