Home / 5,543.56-8,315.34-2,421.01

Finding the Fourth Proportional to 5,543.56, 8,315.34 and 2,421.01

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Solution

The fourth proportional to 5,543.56, 8,315.34 and 2,421.01 is: 3,631.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,543.56 : 8,315.34 = 2,421.01 : x
  2. Step 2: Convert to fraction form
    5,543.56/8,315.34 = 2,421.01/x
  3. Step 3: Cross multiply
    5,543.56x = 8,315.34 × 2,421.01
  4. Step 4: Simplify right side
    5,543.56x = 20,131,521.29
  5. Step 5: Solve for x
    x = 20,131,521.29/5,543.56
  6. Step 6: Final answer
    x = 3,631.52

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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.