Home / 6,961.39-10,423.61-5,445.30

Finding the Fourth Proportional to 6,961.39, 10,423.61 and 5,445.30

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Solution

The fourth proportional to 6,961.39, 10,423.61 and 5,445.30 is: 8,153.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,961.39 : 10,423.61 = 5,445.30 : x
  2. Step 2: Convert to fraction form
    6,961.39/10,423.61 = 5,445.30/x
  3. Step 3: Cross multiply
    6,961.39x = 10,423.61 × 5,445.30
  4. Step 4: Simplify right side
    6,961.39x = 56,759,683.53
  5. Step 5: Solve for x
    x = 56,759,683.53/6,961.39
  6. Step 6: Final answer
    x = 8,153.50

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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.