Home / 6,406.84-8,841.36-3,612.36

Finding the Fourth Proportional to 6,406.84, 8,841.36 and 3,612.36

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Solution

The fourth proportional to 6,406.84, 8,841.36 and 3,612.36 is: 4,985.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,406.84 : 8,841.36 = 3,612.36 : x
  2. Step 2: Convert to fraction form
    6,406.84/8,841.36 = 3,612.36/x
  3. Step 3: Cross multiply
    6,406.84x = 8,841.36 × 3,612.36
  4. Step 4: Simplify right side
    6,406.84x = 31,938,175.21
  5. Step 5: Solve for x
    x = 31,938,175.21/6,406.84
  6. Step 6: Final answer
    x = 4,985.01

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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.