Home / 5,301.55-7,315.64-3,063.12

Finding the Fourth Proportional to 5,301.55, 7,315.64 and 3,063.12

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Solution

The fourth proportional to 5,301.55, 7,315.64 and 3,063.12 is: 4,226.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,301.55 : 7,315.64 = 3,063.12 : x
  2. Step 2: Convert to fraction form
    5,301.55/7,315.64 = 3,063.12/x
  3. Step 3: Cross multiply
    5,301.55x = 7,315.64 × 3,063.12
  4. Step 4: Simplify right side
    5,301.55x = 22,408,683.20
  5. Step 5: Solve for x
    x = 22,408,683.20/5,301.55
  6. Step 6: Final answer
    x = 4,226.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.