Home / 6,270.30-9,378.45-5,616.90

Finding the Fourth Proportional to 6,270.30, 9,378.45 and 5,616.90

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Solution

The fourth proportional to 6,270.30, 9,378.45 and 5,616.90 is: 8,401.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,270.30 : 9,378.45 = 5,616.90 : x
  2. Step 2: Convert to fraction form
    6,270.30/9,378.45 = 5,616.90/x
  3. Step 3: Cross multiply
    6,270.30x = 9,378.45 × 5,616.90
  4. Step 4: Simplify right side
    6,270.30x = 52,677,815.81
  5. Step 5: Solve for x
    x = 52,677,815.81/6,270.30
  6. Step 6: Final answer
    x = 8,401.16

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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.