Home / 4,540.16-6,810.24-1,420.18

Finding the Fourth Proportional to 4,540.16, 6,810.24 and 1,420.18

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Solution

The fourth proportional to 4,540.16, 6,810.24 and 1,420.18 is: 2,130.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,540.16 : 6,810.24 = 1,420.18 : x
  2. Step 2: Convert to fraction form
    4,540.16/6,810.24 = 1,420.18/x
  3. Step 3: Cross multiply
    4,540.16x = 6,810.24 × 1,420.18
  4. Step 4: Simplify right side
    4,540.16x = 9,671,766.64
  5. Step 5: Solve for x
    x = 9,671,766.64/4,540.16
  6. Step 6: Final answer
    x = 2,130.27

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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.