Home / 7,281.96-10,016.64-6,381.24

Finding the Fourth Proportional to 7,281.96, 10,016.64 and 6,381.24

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Solution

The fourth proportional to 7,281.96, 10,016.64 and 6,381.24 is: 8,777.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281.96 : 10,016.64 = 6,381.24 : x
  2. Step 2: Convert to fraction form
    7,281.96/10,016.64 = 6,381.24/x
  3. Step 3: Cross multiply
    7,281.96x = 10,016.64 × 6,381.24
  4. Step 4: Simplify right side
    7,281.96x = 63,918,583.83
  5. Step 5: Solve for x
    x = 63,918,583.83/7,281.96
  6. Step 6: Final answer
    x = 8,777.66

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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.