Home / 4,354.40-6,520.08-2,270.72

Finding the Fourth Proportional to 4,354.40, 6,520.08 and 2,270.72

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Solution

The fourth proportional to 4,354.40, 6,520.08 and 2,270.72 is: 3,400.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,354.40 : 6,520.08 = 2,270.72 : x
  2. Step 2: Convert to fraction form
    4,354.40/6,520.08 = 2,270.72/x
  3. Step 3: Cross multiply
    4,354.40x = 6,520.08 × 2,270.72
  4. Step 4: Simplify right side
    4,354.40x = 14,805,276.06
  5. Step 5: Solve for x
    x = 14,805,276.06/4,354.40
  6. Step 6: Final answer
    x = 3,400.07

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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.