Home / 4,830.40-6,671.28-3,342.88

Finding the Fourth Proportional to 4,830.40, 6,671.28 and 3,342.88

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Solution

The fourth proportional to 4,830.40, 6,671.28 and 3,342.88 is: 4,616.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,830.40 : 6,671.28 = 3,342.88 : x
  2. Step 2: Convert to fraction form
    4,830.40/6,671.28 = 3,342.88/x
  3. Step 3: Cross multiply
    4,830.40x = 6,671.28 × 3,342.88
  4. Step 4: Simplify right side
    4,830.40x = 22,301,288.49
  5. Step 5: Solve for x
    x = 22,301,288.49/4,830.40
  6. Step 6: Final answer
    x = 4,616.86

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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.