Home / 7,738.02-10,679.70-4,551.90

Finding the Fourth Proportional to 7,738.02, 10,679.70 and 4,551.90

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Solution

The fourth proportional to 7,738.02, 10,679.70 and 4,551.90 is: 6,282.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,738.02 : 10,679.70 = 4,551.90 : x
  2. Step 2: Convert to fraction form
    7,738.02/10,679.70 = 4,551.90/x
  3. Step 3: Cross multiply
    7,738.02x = 10,679.70 × 4,551.90
  4. Step 4: Simplify right side
    7,738.02x = 48,612,926.43
  5. Step 5: Solve for x
    x = 48,612,926.43/7,738.02
  6. Step 6: Final answer
    x = 6,282.35

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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.