Home / 8,919.32-12,306.74-6,088.77

Finding the Fourth Proportional to 8,919.32, 12,306.74 and 6,088.77

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Solution

The fourth proportional to 8,919.32, 12,306.74 and 6,088.77 is: 8,401.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,919.32 : 12,306.74 = 6,088.77 : x
  2. Step 2: Convert to fraction form
    8,919.32/12,306.74 = 6,088.77/x
  3. Step 3: Cross multiply
    8,919.32x = 12,306.74 × 6,088.77
  4. Step 4: Simplify right side
    8,919.32x = 74,932,878.87
  5. Step 5: Solve for x
    x = 74,932,878.87/8,919.32
  6. Step 6: Final answer
    x = 8,401.19

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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.