Home / 4,455.30-6,147.72-2,465.40

Finding the Fourth Proportional to 4,455.30, 6,147.72 and 2,465.40

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Solution

The fourth proportional to 4,455.30, 6,147.72 and 2,465.40 is: 3,401.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455.30 : 6,147.72 = 2,465.40 : x
  2. Step 2: Convert to fraction form
    4,455.30/6,147.72 = 2,465.40/x
  3. Step 3: Cross multiply
    4,455.30x = 6,147.72 × 2,465.40
  4. Step 4: Simplify right side
    4,455.30x = 15,156,588.89
  5. Step 5: Solve for x
    x = 15,156,588.89/4,455.30
  6. Step 6: Final answer
    x = 3,401.92

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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.