Home / 4,728.11-7,086.08-4,432.86

Finding the Fourth Proportional to 4,728.11, 7,086.08 and 4,432.86

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Solution

The fourth proportional to 4,728.11, 7,086.08 and 4,432.86 is: 6,643.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,728.11 : 7,086.08 = 4,432.86 : x
  2. Step 2: Convert to fraction form
    4,728.11/7,086.08 = 4,432.86/x
  3. Step 3: Cross multiply
    4,728.11x = 7,086.08 × 4,432.86
  4. Step 4: Simplify right side
    4,728.11x = 31,411,578.42
  5. Step 5: Solve for x
    x = 31,411,578.42/4,728.11
  6. Step 6: Final answer
    x = 6,643.59

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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.