Home / 7,539.60-10,405.22-4,182.39

Finding the Fourth Proportional to 7,539.60, 10,405.22 and 4,182.39

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Solution

The fourth proportional to 7,539.60, 10,405.22 and 4,182.39 is: 5,772.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,539.60 : 10,405.22 = 4,182.39 : x
  2. Step 2: Convert to fraction form
    7,539.60/10,405.22 = 4,182.39/x
  3. Step 3: Cross multiply
    7,539.60x = 10,405.22 × 4,182.39
  4. Step 4: Simplify right side
    7,539.60x = 43,518,688.08
  5. Step 5: Solve for x
    x = 43,518,688.08/7,539.60
  6. Step 6: Final answer
    x = 5,772.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.