Home / 4,317.08-6,429.16-4,171.28

Finding the Fourth Proportional to 4,317.08, 6,429.16 and 4,171.28

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Solution

The fourth proportional to 4,317.08, 6,429.16 and 4,171.28 is: 6,212.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,317.08 : 6,429.16 = 4,171.28 : x
  2. Step 2: Convert to fraction form
    4,317.08/6,429.16 = 4,171.28/x
  3. Step 3: Cross multiply
    4,317.08x = 6,429.16 × 4,171.28
  4. Step 4: Simplify right side
    4,317.08x = 26,817,826.52
  5. Step 5: Solve for x
    x = 26,817,826.52/4,317.08
  6. Step 6: Final answer
    x = 6,212.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.