Home / 7,416.09-10,234.35-4,432.05

Finding the Fourth Proportional to 7,416.09, 10,234.35 and 4,432.05

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Solution

The fourth proportional to 7,416.09, 10,234.35 and 4,432.05 is: 6,116.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,416.09 : 10,234.35 = 4,432.05 : x
  2. Step 2: Convert to fraction form
    7,416.09/10,234.35 = 4,432.05/x
  3. Step 3: Cross multiply
    7,416.09x = 10,234.35 × 4,432.05
  4. Step 4: Simplify right side
    7,416.09x = 45,359,150.92
  5. Step 5: Solve for x
    x = 45,359,150.92/7,416.09
  6. Step 6: Final answer
    x = 6,116.32

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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.