Home / 5,369.40-7,409.77-3,011.55

Finding the Fourth Proportional to 5,369.40, 7,409.77 and 3,011.55

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Solution

The fourth proportional to 5,369.40, 7,409.77 and 3,011.55 is: 4,155.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,369.40 : 7,409.77 = 3,011.55 : x
  2. Step 2: Convert to fraction form
    5,369.40/7,409.77 = 3,011.55/x
  3. Step 3: Cross multiply
    5,369.40x = 7,409.77 × 3,011.55
  4. Step 4: Simplify right side
    5,369.40x = 22,314,868.82
  5. Step 5: Solve for x
    x = 22,314,868.82/5,369.40
  6. Step 6: Final answer
    x = 4,155.93

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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.