Home / 6,434.94-8,878.50-3,602.28

Finding the Fourth Proportional to 6,434.94, 8,878.50 and 3,602.28

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Solution

The fourth proportional to 6,434.94, 8,878.50 and 3,602.28 is: 4,970.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,434.94 : 8,878.50 = 3,602.28 : x
  2. Step 2: Convert to fraction form
    6,434.94/8,878.50 = 3,602.28/x
  3. Step 3: Cross multiply
    6,434.94x = 8,878.50 × 3,602.28
  4. Step 4: Simplify right side
    6,434.94x = 31,982,842.98
  5. Step 5: Solve for x
    x = 31,982,842.98/6,434.94
  6. Step 6: Final answer
    x = 4,970.19

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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.