Home / 6,688.19-10,029.17-2,990.45

Finding the Fourth Proportional to 6,688.19, 10,029.17 and 2,990.45

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Solution

The fourth proportional to 6,688.19, 10,029.17 and 2,990.45 is: 4,484.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688.19 : 10,029.17 = 2,990.45 : x
  2. Step 2: Convert to fraction form
    6,688.19/10,029.17 = 2,990.45/x
  3. Step 3: Cross multiply
    6,688.19x = 10,029.17 × 2,990.45
  4. Step 4: Simplify right side
    6,688.19x = 29,991,763.98
  5. Step 5: Solve for x
    x = 29,991,763.98/6,688.19
  6. Step 6: Final answer
    x = 4,484.29

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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.