Home / 6,721.28-10,084.88-3,437.08

Finding the Fourth Proportional to 6,721.28, 10,084.88 and 3,437.08

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Solution

The fourth proportional to 6,721.28, 10,084.88 and 3,437.08 is: 5,157.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.28 : 10,084.88 = 3,437.08 : x
  2. Step 2: Convert to fraction form
    6,721.28/10,084.88 = 3,437.08/x
  3. Step 3: Cross multiply
    6,721.28x = 10,084.88 × 3,437.08
  4. Step 4: Simplify right side
    6,721.28x = 34,662,539.35
  5. Step 5: Solve for x
    x = 34,662,539.35/6,721.28
  6. Step 6: Final answer
    x = 5,157.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.