Home / 6,426.96-9,639.84-4,360.20

Finding the Fourth Proportional to 6,426.96, 9,639.84 and 4,360.20

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Solution

The fourth proportional to 6,426.96, 9,639.84 and 4,360.20 is: 6,539.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,426.96 : 9,639.84 = 4,360.20 : x
  2. Step 2: Convert to fraction form
    6,426.96/9,639.84 = 4,360.20/x
  3. Step 3: Cross multiply
    6,426.96x = 9,639.84 × 4,360.20
  4. Step 4: Simplify right side
    6,426.96x = 42,031,630.37
  5. Step 5: Solve for x
    x = 42,031,630.37/6,426.96
  6. Step 6: Final answer
    x = 6,539.89

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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.