Home / 8,290.29-11,438.63-4,704.45

Finding the Fourth Proportional to 8,290.29, 11,438.63 and 4,704.45

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Solution

The fourth proportional to 8,290.29, 11,438.63 and 4,704.45 is: 6,491.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,290.29 : 11,438.63 = 4,704.45 : x
  2. Step 2: Convert to fraction form
    8,290.29/11,438.63 = 4,704.45/x
  3. Step 3: Cross multiply
    8,290.29x = 11,438.63 × 4,704.45
  4. Step 4: Simplify right side
    8,290.29x = 53,812,462.90
  5. Step 5: Solve for x
    x = 53,812,462.90/8,290.29
  6. Step 6: Final answer
    x = 6,491.02

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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.