Home / 6,484.40-9,710.10-4,286.42

Finding the Fourth Proportional to 6,484.40, 9,710.10 and 4,286.42

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Solution

The fourth proportional to 6,484.40, 9,710.10 and 4,286.42 is: 6,418.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,484.40 : 9,710.10 = 4,286.42 : x
  2. Step 2: Convert to fraction form
    6,484.40/9,710.10 = 4,286.42/x
  3. Step 3: Cross multiply
    6,484.40x = 9,710.10 × 4,286.42
  4. Step 4: Simplify right side
    6,484.40x = 41,621,566.84
  5. Step 5: Solve for x
    x = 41,621,566.84/6,484.40
  6. Step 6: Final answer
    x = 6,418.72

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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.