Home / 4,421.45-6,629.47-1,885.57

Finding the Fourth Proportional to 4,421.45, 6,629.47 and 1,885.57

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Solution

The fourth proportional to 4,421.45, 6,629.47 and 1,885.57 is: 2,827.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,421.45 : 6,629.47 = 1,885.57 : x
  2. Step 2: Convert to fraction form
    4,421.45/6,629.47 = 1,885.57/x
  3. Step 3: Cross multiply
    4,421.45x = 6,629.47 × 1,885.57
  4. Step 4: Simplify right side
    4,421.45x = 12,500,308.46
  5. Step 5: Solve for x
    x = 12,500,308.46/4,421.45
  6. Step 6: Final answer
    x = 2,827.20

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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.