Home / 8,790.55-13,179.00-4,345.15

Finding the Fourth Proportional to 8,790.55, 13,179.00 and 4,345.15

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Solution

The fourth proportional to 8,790.55, 13,179.00 and 4,345.15 is: 6,514.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790.55 : 13,179.00 = 4,345.15 : x
  2. Step 2: Convert to fraction form
    8,790.55/13,179.00 = 4,345.15/x
  3. Step 3: Cross multiply
    8,790.55x = 13,179.00 × 4,345.15
  4. Step 4: Simplify right side
    8,790.55x = 57,264,715.20
  5. Step 5: Solve for x
    x = 57,264,715.20/8,790.55
  6. Step 6: Final answer
    x = 6,514.35

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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.