Home / 6,252.32-8,628.12-3,419.80

Finding the Fourth Proportional to 6,252.32, 8,628.12 and 3,419.80

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Solution

The fourth proportional to 6,252.32, 8,628.12 and 3,419.80 is: 4,719.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,252.32 : 8,628.12 = 3,419.80 : x
  2. Step 2: Convert to fraction form
    6,252.32/8,628.12 = 3,419.80/x
  3. Step 3: Cross multiply
    6,252.32x = 8,628.12 × 3,419.80
  4. Step 4: Simplify right side
    6,252.32x = 29,506,444.78
  5. Step 5: Solve for x
    x = 29,506,444.78/6,252.32
  6. Step 6: Final answer
    x = 4,719.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.