Home / 8,399.04-11,590.67-4,622.20

Finding the Fourth Proportional to 8,399.04, 11,590.67 and 4,622.20

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Solution

The fourth proportional to 8,399.04, 11,590.67 and 4,622.20 is: 6,378.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399.04 : 11,590.67 = 4,622.20 : x
  2. Step 2: Convert to fraction form
    8,399.04/11,590.67 = 4,622.20/x
  3. Step 3: Cross multiply
    8,399.04x = 11,590.67 × 4,622.20
  4. Step 4: Simplify right side
    8,399.04x = 53,574,394.87
  5. Step 5: Solve for x
    x = 53,574,394.87/8,399.04
  6. Step 6: Final answer
    x = 6,378.64

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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.