Home / 7,326.42-10,985.49-2,885.46

Finding the Fourth Proportional to 7,326.42, 10,985.49 and 2,885.46

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Solution

The fourth proportional to 7,326.42, 10,985.49 and 2,885.46 is: 4,326.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,326.42 : 10,985.49 = 2,885.46 : x
  2. Step 2: Convert to fraction form
    7,326.42/10,985.49 = 2,885.46/x
  3. Step 3: Cross multiply
    7,326.42x = 10,985.49 × 2,885.46
  4. Step 4: Simplify right side
    7,326.42x = 31,698,191.98
  5. Step 5: Solve for x
    x = 31,698,191.98/7,326.42
  6. Step 6: Final answer
    x = 4,326.56

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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.