Home / 6,518.21-9,758.67-4,322.57

Finding the Fourth Proportional to 6,518.21, 9,758.67 and 4,322.57

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Solution

The fourth proportional to 6,518.21, 9,758.67 and 4,322.57 is: 6,471.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518.21 : 9,758.67 = 4,322.57 : x
  2. Step 2: Convert to fraction form
    6,518.21/9,758.67 = 4,322.57/x
  3. Step 3: Cross multiply
    6,518.21x = 9,758.67 × 4,322.57
  4. Step 4: Simplify right side
    6,518.21x = 42,182,534.18
  5. Step 5: Solve for x
    x = 42,182,534.18/6,518.21
  6. Step 6: Final answer
    x = 6,471.49

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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.