Home / 7,539.93-10,405.45-4,182.55

Finding the Fourth Proportional to 7,539.93, 10,405.45 and 4,182.55

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Solution

The fourth proportional to 7,539.93, 10,405.45 and 4,182.55 is: 5,772.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,539.93 : 10,405.45 = 4,182.55 : x
  2. Step 2: Convert to fraction form
    7,539.93/10,405.45 = 4,182.55/x
  3. Step 3: Cross multiply
    7,539.93x = 10,405.45 × 4,182.55
  4. Step 4: Simplify right side
    7,539.93x = 43,521,314.90
  5. Step 5: Solve for x
    x = 43,521,314.90/7,539.93
  6. Step 6: Final answer
    x = 5,772.11

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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.