Home / 8,883.16-12,262.28-5,345.70

Finding the Fourth Proportional to 8,883.16, 12,262.28 and 5,345.70

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Solution

The fourth proportional to 8,883.16, 12,262.28 and 5,345.70 is: 7,379.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,883.16 : 12,262.28 = 5,345.70 : x
  2. Step 2: Convert to fraction form
    8,883.16/12,262.28 = 5,345.70/x
  3. Step 3: Cross multiply
    8,883.16x = 12,262.28 × 5,345.70
  4. Step 4: Simplify right side
    8,883.16x = 65,550,470.20
  5. Step 5: Solve for x
    x = 65,550,470.20/8,883.16
  6. Step 6: Final answer
    x = 7,379.18

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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.