Home / 8,430.74-11,634.45-4,894.10

Finding the Fourth Proportional to 8,430.74, 11,634.45 and 4,894.10

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Solution

The fourth proportional to 8,430.74, 11,634.45 and 4,894.10 is: 6,753.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,430.74 : 11,634.45 = 4,894.10 : x
  2. Step 2: Convert to fraction form
    8,430.74/11,634.45 = 4,894.10/x
  3. Step 3: Cross multiply
    8,430.74x = 11,634.45 × 4,894.10
  4. Step 4: Simplify right side
    8,430.74x = 56,940,161.75
  5. Step 5: Solve for x
    x = 56,940,161.75/8,430.74
  6. Step 6: Final answer
    x = 6,753.87

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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.