Home / 6,655.21-9,184.64-3,860.71

Finding the Fourth Proportional to 6,655.21, 9,184.64 and 3,860.71

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Solution

The fourth proportional to 6,655.21, 9,184.64 and 3,860.71 is: 5,328.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,655.21 : 9,184.64 = 3,860.71 : x
  2. Step 2: Convert to fraction form
    6,655.21/9,184.64 = 3,860.71/x
  3. Step 3: Cross multiply
    6,655.21x = 9,184.64 × 3,860.71
  4. Step 4: Simplify right side
    6,655.21x = 35,459,189.23
  5. Step 5: Solve for x
    x = 35,459,189.23/6,655.21
  6. Step 6: Final answer
    x = 5,328.04

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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.