Home / 7,529.60-11,272.08-5,590.40

Finding the Fourth Proportional to 7,529.60, 11,272.08 and 5,590.40

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Solution

The fourth proportional to 7,529.60, 11,272.08 and 5,590.40 is: 8,369.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,529.60 : 11,272.08 = 5,590.40 : x
  2. Step 2: Convert to fraction form
    7,529.60/11,272.08 = 5,590.40/x
  3. Step 3: Cross multiply
    7,529.60x = 11,272.08 × 5,590.40
  4. Step 4: Simplify right side
    7,529.60x = 63,015,436.03
  5. Step 5: Solve for x
    x = 63,015,436.03/7,529.60
  6. Step 6: Final answer
    x = 8,369.03

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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.