Home / 7,521.12-11,266.80-6,954

Finding the Fourth Proportional to 7,521.12, 11,266.80 and 6,954

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Solution

The fourth proportional to 7,521.12, 11,266.80 and 6,954 is: 10,417.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.12 : 11,266.80 = 6,954 : x
  2. Step 2: Convert to fraction form
    7,521.12/11,266.80 = 6,954/x
  3. Step 3: Cross multiply
    7,521.12x = 11,266.80 × 6,954
  4. Step 4: Simplify right side
    7,521.12x = 78,349,327.20
  5. Step 5: Solve for x
    x = 78,349,327.20/7,521.12
  6. Step 6: Final answer
    x = 10,417.24

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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.