Home / 6,913.32-10,369.96-5,520.12

Finding the Fourth Proportional to 6,913.32, 10,369.96 and 5,520.12

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Solution

The fourth proportional to 6,913.32, 10,369.96 and 5,520.12 is: 8,280.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,913.32 : 10,369.96 = 5,520.12 : x
  2. Step 2: Convert to fraction form
    6,913.32/10,369.96 = 5,520.12/x
  3. Step 3: Cross multiply
    6,913.32x = 10,369.96 × 5,520.12
  4. Step 4: Simplify right side
    6,913.32x = 57,243,423.60
  5. Step 5: Solve for x
    x = 57,243,423.60/6,913.32
  6. Step 6: Final answer
    x = 8,280.16

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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.