Home / 4,652.53-6,979.28-1,878.75

Finding the Fourth Proportional to 4,652.53, 6,979.28 and 1,878.75

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Solution

The fourth proportional to 4,652.53, 6,979.28 and 1,878.75 is: 2,818.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,652.53 : 6,979.28 = 1,878.75 : x
  2. Step 2: Convert to fraction form
    4,652.53/6,979.28 = 1,878.75/x
  3. Step 3: Cross multiply
    4,652.53x = 6,979.28 × 1,878.75
  4. Step 4: Simplify right side
    4,652.53x = 13,112,312.91
  5. Step 5: Solve for x
    x = 13,112,312.91/4,652.53
  6. Step 6: Final answer
    x = 2,818.32

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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.