Home / 5,420.94-7,482.15-3,529.23

Finding the Fourth Proportional to 5,420.94, 7,482.15 and 3,529.23

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Solution

The fourth proportional to 5,420.94, 7,482.15 and 3,529.23 is: 4,871.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420.94 : 7,482.15 = 3,529.23 : x
  2. Step 2: Convert to fraction form
    5,420.94/7,482.15 = 3,529.23/x
  3. Step 3: Cross multiply
    5,420.94x = 7,482.15 × 3,529.23
  4. Step 4: Simplify right side
    5,420.94x = 26,406,257.76
  5. Step 5: Solve for x
    x = 26,406,257.76/5,420.94
  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.