Home / 7,261.55-10,885.88-2,580.94

Finding the Fourth Proportional to 7,261.55, 10,885.88 and 2,580.94

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Solution

The fourth proportional to 7,261.55, 10,885.88 and 2,580.94 is: 3,869.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.55 : 10,885.88 = 2,580.94 : x
  2. Step 2: Convert to fraction form
    7,261.55/10,885.88 = 2,580.94/x
  3. Step 3: Cross multiply
    7,261.55x = 10,885.88 × 2,580.94
  4. Step 4: Simplify right side
    7,261.55x = 28,095,803.13
  5. Step 5: Solve for x
    x = 28,095,803.13/7,261.55
  6. Step 6: Final answer
    x = 3,869.12

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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.