Home / 5,509.48-8,262.46-1,810.86

Finding the Fourth Proportional to 5,509.48, 8,262.46 and 1,810.86

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Solution

The fourth proportional to 5,509.48, 8,262.46 and 1,810.86 is: 2,715.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.48 : 8,262.46 = 1,810.86 : x
  2. Step 2: Convert to fraction form
    5,509.48/8,262.46 = 1,810.86/x
  3. Step 3: Cross multiply
    5,509.48x = 8,262.46 × 1,810.86
  4. Step 4: Simplify right side
    5,509.48x = 14,962,158.32
  5. Step 5: Solve for x
    x = 14,962,158.32/5,509.48
  6. Step 6: Final answer
    x = 2,715.71

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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.