Home / 8,660.83-11,943.98-5,675.58

Finding the Fourth Proportional to 8,660.83, 11,943.98 and 5,675.58

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Solution

The fourth proportional to 8,660.83, 11,943.98 and 5,675.58 is: 7,827.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,660.83 : 11,943.98 = 5,675.58 : x
  2. Step 2: Convert to fraction form
    8,660.83/11,943.98 = 5,675.58/x
  3. Step 3: Cross multiply
    8,660.83x = 11,943.98 × 5,675.58
  4. Step 4: Simplify right side
    8,660.83x = 67,788,925.91
  5. Step 5: Solve for x
    x = 67,788,925.91/8,660.83
  6. Step 6: Final answer
    x = 7,827.07

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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.