Home / 7,390.18-11,085.36-2,459.82

Finding the Fourth Proportional to 7,390.18, 11,085.36 and 2,459.82

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Solution

The fourth proportional to 7,390.18, 11,085.36 and 2,459.82 is: 3,689.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.18 : 11,085.36 = 2,459.82 : x
  2. Step 2: Convert to fraction form
    7,390.18/11,085.36 = 2,459.82/x
  3. Step 3: Cross multiply
    7,390.18x = 11,085.36 × 2,459.82
  4. Step 4: Simplify right side
    7,390.18x = 27,267,990.24
  5. Step 5: Solve for x
    x = 27,267,990.24/7,390.18
  6. Step 6: Final answer
    x = 3,689.76

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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.