Home / 5,085.84-7,618.50-4,261.80

Finding the Fourth Proportional to 5,085.84, 7,618.50 and 4,261.80

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Solution

The fourth proportional to 5,085.84, 7,618.50 and 4,261.80 is: 6,384.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,085.84 : 7,618.50 = 4,261.80 : x
  2. Step 2: Convert to fraction form
    5,085.84/7,618.50 = 4,261.80/x
  3. Step 3: Cross multiply
    5,085.84x = 7,618.50 × 4,261.80
  4. Step 4: Simplify right side
    5,085.84x = 32,468,523.30
  5. Step 5: Solve for x
    x = 32,468,523.30/5,085.84
  6. Step 6: Final answer
    x = 6,384.10

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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.