Home / 5,470.50-8,207.10-2,548.20

Finding the Fourth Proportional to 5,470.50, 8,207.10 and 2,548.20

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Solution

The fourth proportional to 5,470.50, 8,207.10 and 2,548.20 is: 3,822.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.50 : 8,207.10 = 2,548.20 : x
  2. Step 2: Convert to fraction form
    5,470.50/8,207.10 = 2,548.20/x
  3. Step 3: Cross multiply
    5,470.50x = 8,207.10 × 2,548.20
  4. Step 4: Simplify right side
    5,470.50x = 20,913,332.22
  5. Step 5: Solve for x
    x = 20,913,332.22/5,470.50
  6. Step 6: Final answer
    x = 3,822.93

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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.