Home / 7,065.96-10,599.04-1,871.80

Finding the Fourth Proportional to 7,065.96, 10,599.04 and 1,871.80

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Solution

The fourth proportional to 7,065.96, 10,599.04 and 1,871.80 is: 2,807.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,065.96 : 10,599.04 = 1,871.80 : x
  2. Step 2: Convert to fraction form
    7,065.96/10,599.04 = 1,871.80/x
  3. Step 3: Cross multiply
    7,065.96x = 10,599.04 × 1,871.80
  4. Step 4: Simplify right side
    7,065.96x = 19,839,283.07
  5. Step 5: Solve for x
    x = 19,839,283.07/7,065.96
  6. Step 6: Final answer
    x = 2,807.73

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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.