Home / 8,700.30-12,003.66-4,923

Finding the Fourth Proportional to 8,700.30, 12,003.66 and 4,923

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Solution

The fourth proportional to 8,700.30, 12,003.66 and 4,923 is: 6,792.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,700.30 : 12,003.66 = 4,923 : x
  2. Step 2: Convert to fraction form
    8,700.30/12,003.66 = 4,923/x
  3. Step 3: Cross multiply
    8,700.30x = 12,003.66 × 4,923
  4. Step 4: Simplify right side
    8,700.30x = 59,094,018.18
  5. Step 5: Solve for x
    x = 59,094,018.18/8,700.30
  6. Step 6: Final answer
    x = 6,792.18

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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.