Home / 5,088.77-7,020.90-3,099.41

Finding the Fourth Proportional to 5,088.77, 7,020.90 and 3,099.41

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Solution

The fourth proportional to 5,088.77, 7,020.90 and 3,099.41 is: 4,276.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,088.77 : 7,020.90 = 3,099.41 : x
  2. Step 2: Convert to fraction form
    5,088.77/7,020.90 = 3,099.41/x
  3. Step 3: Cross multiply
    5,088.77x = 7,020.90 × 3,099.41
  4. Step 4: Simplify right side
    5,088.77x = 21,760,612.56
  5. Step 5: Solve for x
    x = 21,760,612.56/5,088.77
  6. Step 6: Final answer
    x = 4,276.21

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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.