Home / 7,417.08-11,119.15-3,031.74

Finding the Fourth Proportional to 7,417.08, 11,119.15 and 3,031.74

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Solution

The fourth proportional to 7,417.08, 11,119.15 and 3,031.74 is: 4,544.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,417.08 : 11,119.15 = 3,031.74 : x
  2. Step 2: Convert to fraction form
    7,417.08/11,119.15 = 3,031.74/x
  3. Step 3: Cross multiply
    7,417.08x = 11,119.15 × 3,031.74
  4. Step 4: Simplify right side
    7,417.08x = 33,710,371.82
  5. Step 5: Solve for x
    x = 33,710,371.82/7,417.08
  6. Step 6: Final answer
    x = 4,544.97

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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.