Home / 5,412.90-7,471.22-3,529.16

Finding the Fourth Proportional to 5,412.90, 7,471.22 and 3,529.16

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Solution

The fourth proportional to 5,412.90, 7,471.22 and 3,529.16 is: 4,871.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.90 : 7,471.22 = 3,529.16 : x
  2. Step 2: Convert to fraction form
    5,412.90/7,471.22 = 3,529.16/x
  3. Step 3: Cross multiply
    5,412.90x = 7,471.22 × 3,529.16
  4. Step 4: Simplify right side
    5,412.90x = 26,367,075.77
  5. Step 5: Solve for x
    x = 26,367,075.77/5,412.90
  6. Step 6: Final answer
    x = 4,871.16

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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.