Home / 7,113.13-10,666.83-2,950.31

Finding the Fourth Proportional to 7,113.13, 10,666.83 and 2,950.31

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Solution

The fourth proportional to 7,113.13, 10,666.83 and 2,950.31 is: 4,424.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,113.13 : 10,666.83 = 2,950.31 : x
  2. Step 2: Convert to fraction form
    7,113.13/10,666.83 = 2,950.31/x
  3. Step 3: Cross multiply
    7,113.13x = 10,666.83 × 2,950.31
  4. Step 4: Simplify right side
    7,113.13x = 31,470,455.22
  5. Step 5: Solve for x
    x = 31,470,455.22/7,113.13
  6. Step 6: Final answer
    x = 4,424.28

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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.