Home / 6,988.31-10,482.84-2,827.70

Finding the Fourth Proportional to 6,988.31, 10,482.84 and 2,827.70

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Solution

The fourth proportional to 6,988.31, 10,482.84 and 2,827.70 is: 4,241.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,988.31 : 10,482.84 = 2,827.70 : x
  2. Step 2: Convert to fraction form
    6,988.31/10,482.84 = 2,827.70/x
  3. Step 3: Cross multiply
    6,988.31x = 10,482.84 × 2,827.70
  4. Step 4: Simplify right side
    6,988.31x = 29,642,274.25
  5. Step 5: Solve for x
    x = 29,642,274.25/6,988.31
  6. Step 6: Final answer
    x = 4,241.70

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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.