Home / 5,910.09-8,870.61-2,990.46

Finding the Fourth Proportional to 5,910.09, 8,870.61 and 2,990.46

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Solution

The fourth proportional to 5,910.09, 8,870.61 and 2,990.46 is: 4,488.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,910.09 : 8,870.61 = 2,990.46 : x
  2. Step 2: Convert to fraction form
    5,910.09/8,870.61 = 2,990.46/x
  3. Step 3: Cross multiply
    5,910.09x = 8,870.61 × 2,990.46
  4. Step 4: Simplify right side
    5,910.09x = 26,527,204.38
  5. Step 5: Solve for x
    x = 26,527,204.38/5,910.09
  6. Step 6: Final answer
    x = 4,488.46

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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.