Home / 7,679.90-10,598.64-4,322.54

Finding the Fourth Proportional to 7,679.90, 10,598.64 and 4,322.54

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Solution

The fourth proportional to 7,679.90, 10,598.64 and 4,322.54 is: 5,965.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,679.90 : 10,598.64 = 4,322.54 : x
  2. Step 2: Convert to fraction form
    7,679.90/10,598.64 = 4,322.54/x
  3. Step 3: Cross multiply
    7,679.90x = 10,598.64 × 4,322.54
  4. Step 4: Simplify right side
    7,679.90x = 45,813,045.35
  5. Step 5: Solve for x
    x = 45,813,045.35/7,679.90
  6. Step 6: Final answer
    x = 5,965.32

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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.