Home / 5,421.72-7,483.22-3,530.01

Finding the Fourth Proportional to 5,421.72, 7,483.22 and 3,530.01

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Solution

The fourth proportional to 5,421.72, 7,483.22 and 3,530.01 is: 4,872.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421.72 : 7,483.22 = 3,530.01 : x
  2. Step 2: Convert to fraction form
    5,421.72/7,483.22 = 3,530.01/x
  3. Step 3: Cross multiply
    5,421.72x = 7,483.22 × 3,530.01
  4. Step 4: Simplify right side
    5,421.72x = 26,415,804.02
  5. Step 5: Solve for x
    x = 26,415,804.02/5,421.72
  6. Step 6: Final answer
    x = 4,872.22

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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.