Home / 7,541.94-11,312.90-4,257.78

Finding the Fourth Proportional to 7,541.94, 11,312.90 and 4,257.78

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Solution

The fourth proportional to 7,541.94, 11,312.90 and 4,257.78 is: 6,386.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,541.94 : 11,312.90 = 4,257.78 : x
  2. Step 2: Convert to fraction form
    7,541.94/11,312.90 = 4,257.78/x
  3. Step 3: Cross multiply
    7,541.94x = 11,312.90 × 4,257.78
  4. Step 4: Simplify right side
    7,541.94x = 48,167,839.36
  5. Step 5: Solve for x
    x = 48,167,839.36/7,541.94
  6. Step 6: Final answer
    x = 6,386.66

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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.