Home / 6,915.09-10,368.45-2,755.74

Finding the Fourth Proportional to 6,915.09, 10,368.45 and 2,755.74

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Solution

The fourth proportional to 6,915.09, 10,368.45 and 2,755.74 is: 4,131.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915.09 : 10,368.45 = 2,755.74 : x
  2. Step 2: Convert to fraction form
    6,915.09/10,368.45 = 2,755.74/x
  3. Step 3: Cross multiply
    6,915.09x = 10,368.45 × 2,755.74
  4. Step 4: Simplify right side
    6,915.09x = 28,572,752.40
  5. Step 5: Solve for x
    x = 28,572,752.40/6,915.09
  6. Step 6: Final answer
    x = 4,131.94

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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.