Home / 6,624.32-9,137.28-4,262.72

Finding the Fourth Proportional to 6,624.32, 9,137.28 and 4,262.72

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Solution

The fourth proportional to 6,624.32, 9,137.28 and 4,262.72 is: 5,879.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,624.32 : 9,137.28 = 4,262.72 : x
  2. Step 2: Convert to fraction form
    6,624.32/9,137.28 = 4,262.72/x
  3. Step 3: Cross multiply
    6,624.32x = 9,137.28 × 4,262.72
  4. Step 4: Simplify right side
    6,624.32x = 38,949,666.20
  5. Step 5: Solve for x
    x = 38,949,666.20/6,624.32
  6. Step 6: Final answer
    x = 5,879.80

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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.