Home / 8,095.56-12,139.94-3,417.68

Finding the Fourth Proportional to 8,095.56, 12,139.94 and 3,417.68

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Solution

The fourth proportional to 8,095.56, 12,139.94 and 3,417.68 is: 5,125.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,095.56 : 12,139.94 = 3,417.68 : x
  2. Step 2: Convert to fraction form
    8,095.56/12,139.94 = 3,417.68/x
  3. Step 3: Cross multiply
    8,095.56x = 12,139.94 × 3,417.68
  4. Step 4: Simplify right side
    8,095.56x = 41,490,430.14
  5. Step 5: Solve for x
    x = 41,490,430.14/8,095.56
  6. Step 6: Final answer
    x = 5,125.08

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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.