Home / 6,853.59-10,280.88-2,905.70

Finding the Fourth Proportional to 6,853.59, 10,280.88 and 2,905.70

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Solution

The fourth proportional to 6,853.59, 10,280.88 and 2,905.70 is: 4,358.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,853.59 : 10,280.88 = 2,905.70 : x
  2. Step 2: Convert to fraction form
    6,853.59/10,280.88 = 2,905.70/x
  3. Step 3: Cross multiply
    6,853.59x = 10,280.88 × 2,905.70
  4. Step 4: Simplify right side
    6,853.59x = 29,873,101.61
  5. Step 5: Solve for x
    x = 29,873,101.61/6,853.59
  6. Step 6: Final answer
    x = 4,358.75

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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.