Home / 8,997.41-12,416.45-5,018.78

Finding the Fourth Proportional to 8,997.41, 12,416.45 and 5,018.78

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Solution

The fourth proportional to 8,997.41, 12,416.45 and 5,018.78 is: 6,925.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,997.41 : 12,416.45 = 5,018.78 : x
  2. Step 2: Convert to fraction form
    8,997.41/12,416.45 = 5,018.78/x
  3. Step 3: Cross multiply
    8,997.41x = 12,416.45 × 5,018.78
  4. Step 4: Simplify right side
    8,997.41x = 62,315,430.93
  5. Step 5: Solve for x
    x = 62,315,430.93/8,997.41
  6. Step 6: Final answer
    x = 6,925.93

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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.