Home / 5,010.90-6,915.57-2,886.51

Finding the Fourth Proportional to 5,010.90, 6,915.57 and 2,886.51

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Solution

The fourth proportional to 5,010.90, 6,915.57 and 2,886.51 is: 3,983.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,010.90 : 6,915.57 = 2,886.51 : x
  2. Step 2: Convert to fraction form
    5,010.90/6,915.57 = 2,886.51/x
  3. Step 3: Cross multiply
    5,010.90x = 6,915.57 × 2,886.51
  4. Step 4: Simplify right side
    5,010.90x = 19,961,861.96
  5. Step 5: Solve for x
    x = 19,961,861.96/5,010.90
  6. Step 6: Final answer
    x = 3,983.69

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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.