Home / 7,139.42-10,710.57-2,525.66

Finding the Fourth Proportional to 7,139.42, 10,710.57 and 2,525.66

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Solution

The fourth proportional to 7,139.42, 10,710.57 and 2,525.66 is: 3,789.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,139.42 : 10,710.57 = 2,525.66 : x
  2. Step 2: Convert to fraction form
    7,139.42/10,710.57 = 2,525.66/x
  3. Step 3: Cross multiply
    7,139.42x = 10,710.57 × 2,525.66
  4. Step 4: Simplify right side
    7,139.42x = 27,051,258.23
  5. Step 5: Solve for x
    x = 27,051,258.23/7,139.42
  6. Step 6: Final answer
    x = 3,789.00

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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.