Home / 5,748.70-8,623.05-5,122.30

Finding the Fourth Proportional to 5,748.70, 8,623.05 and 5,122.30

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Solution

The fourth proportional to 5,748.70, 8,623.05 and 5,122.30 is: 7,683.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,748.70 : 8,623.05 = 5,122.30 : x
  2. Step 2: Convert to fraction form
    5,748.70/8,623.05 = 5,122.30/x
  3. Step 3: Cross multiply
    5,748.70x = 8,623.05 × 5,122.30
  4. Step 4: Simplify right side
    5,748.70x = 44,169,849.02
  5. Step 5: Solve for x
    x = 44,169,849.02/5,748.70
  6. Step 6: Final answer
    x = 7,683.45

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Double scale
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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.