Home / 6,344.64-9,507.12-3,875.76

Finding the Fourth Proportional to 6,344.64, 9,507.12 and 3,875.76

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Solution

The fourth proportional to 6,344.64, 9,507.12 and 3,875.76 is: 5,807.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,344.64 : 9,507.12 = 3,875.76 : x
  2. Step 2: Convert to fraction form
    6,344.64/9,507.12 = 3,875.76/x
  3. Step 3: Cross multiply
    6,344.64x = 9,507.12 × 3,875.76
  4. Step 4: Simplify right side
    6,344.64x = 36,847,315.41
  5. Step 5: Solve for x
    x = 36,847,315.41/6,344.64
  6. Step 6: Final answer
    x = 5,807.63

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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.