Home / 5,720.60-8,564.10-4,266.20

Finding the Fourth Proportional to 5,720.60, 8,564.10 and 4,266.20

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Solution

The fourth proportional to 5,720.60, 8,564.10 and 4,266.20 is: 6,386.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,720.60 : 8,564.10 = 4,266.20 : x
  2. Step 2: Convert to fraction form
    5,720.60/8,564.10 = 4,266.20/x
  3. Step 3: Cross multiply
    5,720.60x = 8,564.10 × 4,266.20
  4. Step 4: Simplify right side
    5,720.60x = 36,536,163.42
  5. Step 5: Solve for x
    x = 36,536,163.42/5,720.60
  6. Step 6: Final answer
    x = 6,386.77

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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.