Home / 7,417.92-11,119.06-5,077.30

Finding the Fourth Proportional to 7,417.92, 11,119.06 and 5,077.30

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Solution

The fourth proportional to 7,417.92, 11,119.06 and 5,077.30 is: 7,610.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,417.92 : 11,119.06 = 5,077.30 : x
  2. Step 2: Convert to fraction form
    7,417.92/11,119.06 = 5,077.30/x
  3. Step 3: Cross multiply
    7,417.92x = 11,119.06 × 5,077.30
  4. Step 4: Simplify right side
    7,417.92x = 56,454,762.85
  5. Step 5: Solve for x
    x = 56,454,762.85/7,417.92
  6. Step 6: Final answer
    x = 7,610.59

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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.