Home / 7,017.64-10,521.06-2,800.42

Finding the Fourth Proportional to 7,017.64, 10,521.06 and 2,800.42

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Solution

The fourth proportional to 7,017.64, 10,521.06 and 2,800.42 is: 4,198.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,017.64 : 10,521.06 = 2,800.42 : x
  2. Step 2: Convert to fraction form
    7,017.64/10,521.06 = 2,800.42/x
  3. Step 3: Cross multiply
    7,017.64x = 10,521.06 × 2,800.42
  4. Step 4: Simplify right side
    7,017.64x = 29,463,386.85
  5. Step 5: Solve for x
    x = 29,463,386.85/7,017.64
  6. Step 6: Final answer
    x = 4,198.48

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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.