Home / 4,540.62-6,810.08-1,420.23

Finding the Fourth Proportional to 4,540.62, 6,810.08 and 1,420.23

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Solution

The fourth proportional to 4,540.62, 6,810.08 and 1,420.23 is: 2,130.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,540.62 : 6,810.08 = 1,420.23 : x
  2. Step 2: Convert to fraction form
    4,540.62/6,810.08 = 1,420.23/x
  3. Step 3: Cross multiply
    4,540.62x = 6,810.08 × 1,420.23
  4. Step 4: Simplify right side
    4,540.62x = 9,671,872.82
  5. Step 5: Solve for x
    x = 9,671,872.82/4,540.62
  6. Step 6: Final answer
    x = 2,130.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.