Home / 7,417.40-11,119.80-3,254.24

Finding the Fourth Proportional to 7,417.40, 11,119.80 and 3,254.24

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Solution

The fourth proportional to 7,417.40, 11,119.80 and 3,254.24 is: 4,878.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,417.40 : 11,119.80 = 3,254.24 : x
  2. Step 2: Convert to fraction form
    7,417.40/11,119.80 = 3,254.24/x
  3. Step 3: Cross multiply
    7,417.40x = 11,119.80 × 3,254.24
  4. Step 4: Simplify right side
    7,417.40x = 36,186,497.95
  5. Step 5: Solve for x
    x = 36,186,497.95/7,417.40
  6. Step 6: Final answer
    x = 4,878.60

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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.