Home / 9,585.62-13,228.26-5,279.20

Finding the Fourth Proportional to 9,585.62, 13,228.26 and 5,279.20

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Solution

The fourth proportional to 9,585.62, 13,228.26 and 5,279.20 is: 7,285.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,585.62 : 13,228.26 = 5,279.20 : x
  2. Step 2: Convert to fraction form
    9,585.62/13,228.26 = 5,279.20/x
  3. Step 3: Cross multiply
    9,585.62x = 13,228.26 × 5,279.20
  4. Step 4: Simplify right side
    9,585.62x = 69,834,630.19
  5. Step 5: Solve for x
    x = 69,834,630.19/9,585.62
  6. Step 6: Final answer
    x = 7,285.35

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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.