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Finding the Fourth Proportional to 5,253.94, 7,880.91 and 1,358.35

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Solution

The fourth proportional to 5,253.94, 7,880.91 and 1,358.35 is: 2,037.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.94 : 7,880.91 = 1,358.35 : x
  2. Step 2: Convert to fraction form
    5,253.94/7,880.91 = 1,358.35/x
  3. Step 3: Cross multiply
    5,253.94x = 7,880.91 × 1,358.35
  4. Step 4: Simplify right side
    5,253.94x = 10,705,014.40
  5. Step 5: Solve for x
    x = 10,705,014.40/5,253.94
  6. Step 6: Final answer
    x = 2,037.52

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Similar ratio
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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.