Home / 8,208.31-11,328.02-4,624.15

Finding the Fourth Proportional to 8,208.31, 11,328.02 and 4,624.15

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Solution

The fourth proportional to 8,208.31, 11,328.02 and 4,624.15 is: 6,381.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,208.31 : 11,328.02 = 4,624.15 : x
  2. Step 2: Convert to fraction form
    8,208.31/11,328.02 = 4,624.15/x
  3. Step 3: Cross multiply
    8,208.31x = 11,328.02 × 4,624.15
  4. Step 4: Simplify right side
    8,208.31x = 52,382,463.68
  5. Step 5: Solve for x
    x = 52,382,463.68/8,208.31
  6. Step 6: Final answer
    x = 6,381.64

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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.