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Finding the Fourth Proportional to 5,535.81, 7,590.24 and 5,253.93

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Solution

The fourth proportional to 5,535.81, 7,590.24 and 5,253.93 is: 7,203.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,535.81 : 7,590.24 = 5,253.93 : x
  2. Step 2: Convert to fraction form
    5,535.81/7,590.24 = 5,253.93/x
  3. Step 3: Cross multiply
    5,535.81x = 7,590.24 × 5,253.93
  4. Step 4: Simplify right side
    5,535.81x = 39,878,589.64
  5. Step 5: Solve for x
    x = 39,878,589.64/5,535.81
  6. Step 6: Final answer
    x = 7,203.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.