Home / 5,628.12-8,434.98-4,125.24

Finding the Fourth Proportional to 5,628.12, 8,434.98 and 4,125.24

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Solution

The fourth proportional to 5,628.12, 8,434.98 and 4,125.24 is: 6,182.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.12 : 8,434.98 = 4,125.24 : x
  2. Step 2: Convert to fraction form
    5,628.12/8,434.98 = 4,125.24/x
  3. Step 3: Cross multiply
    5,628.12x = 8,434.98 × 4,125.24
  4. Step 4: Simplify right side
    5,628.12x = 34,796,316.90
  5. Step 5: Solve for x
    x = 34,796,316.90/5,628.12
  6. Step 6: Final answer
    x = 6,182.58

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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.