Home / 6,423.58-9,640.84-2,530.72

Finding the Fourth Proportional to 6,423.58, 9,640.84 and 2,530.72

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Solution

The fourth proportional to 6,423.58, 9,640.84 and 2,530.72 is: 3,798.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,423.58 : 9,640.84 = 2,530.72 : x
  2. Step 2: Convert to fraction form
    6,423.58/9,640.84 = 2,530.72/x
  3. Step 3: Cross multiply
    6,423.58x = 9,640.84 × 2,530.72
  4. Step 4: Simplify right side
    6,423.58x = 24,398,266.60
  5. Step 5: Solve for x
    x = 24,398,266.60/6,423.58
  6. Step 6: Final answer
    x = 3,798.24

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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.