Home / 8,535.06-12,780.99-5,758.74

Finding the Fourth Proportional to 8,535.06, 12,780.99 and 5,758.74

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Solution

The fourth proportional to 8,535.06, 12,780.99 and 5,758.74 is: 8,623.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,535.06 : 12,780.99 = 5,758.74 : x
  2. Step 2: Convert to fraction form
    8,535.06/12,780.99 = 5,758.74/x
  3. Step 3: Cross multiply
    8,535.06x = 12,780.99 × 5,758.74
  4. Step 4: Simplify right side
    8,535.06x = 73,602,398.35
  5. Step 5: Solve for x
    x = 73,602,398.35/8,535.06
  6. Step 6: Final answer
    x = 8,623.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.