Home / 8,545.08-12,790.02-7,736.76

Finding the Fourth Proportional to 8,545.08, 12,790.02 and 7,736.76

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Solution

The fourth proportional to 8,545.08, 12,790.02 and 7,736.76 is: 11,580.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,545.08 : 12,790.02 = 7,736.76 : x
  2. Step 2: Convert to fraction form
    8,545.08/12,790.02 = 7,736.76/x
  3. Step 3: Cross multiply
    8,545.08x = 12,790.02 × 7,736.76
  4. Step 4: Simplify right side
    8,545.08x = 98,953,315.14
  5. Step 5: Solve for x
    x = 98,953,315.14/8,545.08
  6. Step 6: Final answer
    x = 11,580.15

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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.