Home / 7,405.58-11,100.63-3,505.34

Finding the Fourth Proportional to 7,405.58, 11,100.63 and 3,505.34

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Solution

The fourth proportional to 7,405.58, 11,100.63 and 3,505.34 is: 5,254.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405.58 : 11,100.63 = 3,505.34 : x
  2. Step 2: Convert to fraction form
    7,405.58/11,100.63 = 3,505.34/x
  3. Step 3: Cross multiply
    7,405.58x = 11,100.63 × 3,505.34
  4. Step 4: Simplify right side
    7,405.58x = 38,911,482.36
  5. Step 5: Solve for x
    x = 38,911,482.36/7,405.58
  6. Step 6: Final answer
    x = 5,254.35

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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.