Home / 7,065.12-10,597.83-1,871.13

Finding the Fourth Proportional to 7,065.12, 10,597.83 and 1,871.13

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Solution

The fourth proportional to 7,065.12, 10,597.83 and 1,871.13 is: 2,806.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,065.12 : 10,597.83 = 1,871.13 : x
  2. Step 2: Convert to fraction form
    7,065.12/10,597.83 = 1,871.13/x
  3. Step 3: Cross multiply
    7,065.12x = 10,597.83 × 1,871.13
  4. Step 4: Simplify right side
    7,065.12x = 19,829,917.65
  5. Step 5: Solve for x
    x = 19,829,917.65/7,065.12
  6. Step 6: Final answer
    x = 2,806.73

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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.