Home / 5,420.16-8,127.36-2,341.44

Finding the Fourth Proportional to 5,420.16, 8,127.36 and 2,341.44

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Solution

The fourth proportional to 5,420.16, 8,127.36 and 2,341.44 is: 3,510.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420.16 : 8,127.36 = 2,341.44 : x
  2. Step 2: Convert to fraction form
    5,420.16/8,127.36 = 2,341.44/x
  3. Step 3: Cross multiply
    5,420.16x = 8,127.36 × 2,341.44
  4. Step 4: Simplify right side
    5,420.16x = 19,029,725.80
  5. Step 5: Solve for x
    x = 19,029,725.80/5,420.16
  6. Step 6: Final answer
    x = 3,510.92

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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.