Home / 8,210.40-11,331.51-4,625.64

Finding the Fourth Proportional to 8,210.40, 11,331.51 and 4,625.64

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Solution

The fourth proportional to 8,210.40, 11,331.51 and 4,625.64 is: 6,384.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,210.40 : 11,331.51 = 4,625.64 : x
  2. Step 2: Convert to fraction form
    8,210.40/11,331.51 = 4,625.64/x
  3. Step 3: Cross multiply
    8,210.40x = 11,331.51 × 4,625.64
  4. Step 4: Simplify right side
    8,210.40x = 52,415,485.92
  5. Step 5: Solve for x
    x = 52,415,485.92/8,210.40
  6. Step 6: Final answer
    x = 6,384.04

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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.