Home / 5,554.82-7,666.13-3,165.53

Finding the Fourth Proportional to 5,554.82, 7,666.13 and 3,165.53

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Solution

The fourth proportional to 5,554.82, 7,666.13 and 3,165.53 is: 4,368.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,554.82 : 7,666.13 = 3,165.53 : x
  2. Step 2: Convert to fraction form
    5,554.82/7,666.13 = 3,165.53/x
  3. Step 3: Cross multiply
    5,554.82x = 7,666.13 × 3,165.53
  4. Step 4: Simplify right side
    5,554.82x = 24,267,348.46
  5. Step 5: Solve for x
    x = 24,267,348.46/5,554.82
  6. Step 6: Final answer
    x = 4,368.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.