Home / 5,617.86-8,434.08-4,320.24

Finding the Fourth Proportional to 5,617.86, 8,434.08 and 4,320.24

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Solution

The fourth proportional to 5,617.86, 8,434.08 and 4,320.24 is: 6,485.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.86 : 8,434.08 = 4,320.24 : x
  2. Step 2: Convert to fraction form
    5,617.86/8,434.08 = 4,320.24/x
  3. Step 3: Cross multiply
    5,617.86x = 8,434.08 × 4,320.24
  4. Step 4: Simplify right side
    5,617.86x = 36,437,249.78
  5. Step 5: Solve for x
    x = 36,437,249.78/5,617.86
  6. Step 6: Final answer
    x = 6,485.97

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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.