Home / 8,470.83-11,688.64-4,885.92

Finding the Fourth Proportional to 8,470.83, 11,688.64 and 4,885.92

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Solution

The fourth proportional to 8,470.83, 11,688.64 and 4,885.92 is: 6,741.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,470.83 : 11,688.64 = 4,885.92 : x
  2. Step 2: Convert to fraction form
    8,470.83/11,688.64 = 4,885.92/x
  3. Step 3: Cross multiply
    8,470.83x = 11,688.64 × 4,885.92
  4. Step 4: Simplify right side
    8,470.83x = 57,109,759.95
  5. Step 5: Solve for x
    x = 57,109,759.95/8,470.83
  6. Step 6: Final answer
    x = 6,741.93

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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.