Home / 7,355.06-11,036.40-3,657.20

Finding the Fourth Proportional to 7,355.06, 11,036.40 and 3,657.20

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Solution

The fourth proportional to 7,355.06, 11,036.40 and 3,657.20 is: 5,487.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,355.06 : 11,036.40 = 3,657.20 : x
  2. Step 2: Convert to fraction form
    7,355.06/11,036.40 = 3,657.20/x
  3. Step 3: Cross multiply
    7,355.06x = 11,036.40 × 3,657.20
  4. Step 4: Simplify right side
    7,355.06x = 40,362,322.08
  5. Step 5: Solve for x
    x = 40,362,322.08/7,355.06
  6. Step 6: Final answer
    x = 5,487.69

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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.