Home / 7,539.60-11,307.98-3,155.88

Finding the Fourth Proportional to 7,539.60, 11,307.98 and 3,155.88

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Solution

The fourth proportional to 7,539.60, 11,307.98 and 3,155.88 is: 4,733.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,539.60 : 11,307.98 = 3,155.88 : x
  2. Step 2: Convert to fraction form
    7,539.60/11,307.98 = 3,155.88/x
  3. Step 3: Cross multiply
    7,539.60x = 11,307.98 × 3,155.88
  4. Step 4: Simplify right side
    7,539.60x = 35,686,627.92
  5. Step 5: Solve for x
    x = 35,686,627.92/7,539.60
  6. Step 6: Final answer
    x = 4,733.23

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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.