Home / 6,990.10-10,475.83-2,603.14

Finding the Fourth Proportional to 6,990.10, 10,475.83 and 2,603.14

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Solution

The fourth proportional to 6,990.10, 10,475.83 and 2,603.14 is: 3,901.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990.10 : 10,475.83 = 2,603.14 : x
  2. Step 2: Convert to fraction form
    6,990.10/10,475.83 = 2,603.14/x
  3. Step 3: Cross multiply
    6,990.10x = 10,475.83 × 2,603.14
  4. Step 4: Simplify right side
    6,990.10x = 27,270,052.11
  5. Step 5: Solve for x
    x = 27,270,052.11/6,990.10
  6. Step 6: Final answer
    x = 3,901.24

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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.