Home / 9,303.20-12,838.20-5,325.20

Finding the Fourth Proportional to 9,303.20, 12,838.20 and 5,325.20

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Solution

The fourth proportional to 9,303.20, 12,838.20 and 5,325.20 is: 7,348.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,303.20 : 12,838.20 = 5,325.20 : x
  2. Step 2: Convert to fraction form
    9,303.20/12,838.20 = 5,325.20/x
  3. Step 3: Cross multiply
    9,303.20x = 12,838.20 × 5,325.20
  4. Step 4: Simplify right side
    9,303.20x = 68,365,982.64
  5. Step 5: Solve for x
    x = 68,365,982.64/9,303.20
  6. Step 6: Final answer
    x = 7,348.65

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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.