Home / 8,343.98-11,515.99-4,758.95

Finding the Fourth Proportional to 8,343.98, 11,515.99 and 4,758.95

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Solution

The fourth proportional to 8,343.98, 11,515.99 and 4,758.95 is: 6,568.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,343.98 : 11,515.99 = 4,758.95 : x
  2. Step 2: Convert to fraction form
    8,343.98/11,515.99 = 4,758.95/x
  3. Step 3: Cross multiply
    8,343.98x = 11,515.99 × 4,758.95
  4. Step 4: Simplify right side
    8,343.98x = 54,803,939.24
  5. Step 5: Solve for x
    x = 54,803,939.24/8,343.98
  6. Step 6: Final answer
    x = 6,568.08

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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.