Home / 4,342.17-6,512.72-1,420.23

Finding the Fourth Proportional to 4,342.17, 6,512.72 and 1,420.23

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Solution

The fourth proportional to 4,342.17, 6,512.72 and 1,420.23 is: 2,130.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,342.17 : 6,512.72 = 1,420.23 : x
  2. Step 2: Convert to fraction form
    4,342.17/6,512.72 = 1,420.23/x
  3. Step 3: Cross multiply
    4,342.17x = 6,512.72 × 1,420.23
  4. Step 4: Simplify right side
    4,342.17x = 9,249,553.22
  5. Step 5: Solve for x
    x = 9,249,553.22/4,342.17
  6. Step 6: Final answer
    x = 2,130.17

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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.