Home / 5,088.79-7,621.90-3,910.11

Finding the Fourth Proportional to 5,088.79, 7,621.90 and 3,910.11

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Solution

The fourth proportional to 5,088.79, 7,621.90 and 3,910.11 is: 5,856.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,088.79 : 7,621.90 = 3,910.11 : x
  2. Step 2: Convert to fraction form
    5,088.79/7,621.90 = 3,910.11/x
  3. Step 3: Cross multiply
    5,088.79x = 7,621.90 × 3,910.11
  4. Step 4: Simplify right side
    5,088.79x = 29,802,482.92
  5. Step 5: Solve for x
    x = 29,802,482.92/5,088.79
  6. Step 6: Final answer
    x = 5,856.50

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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.