Home / 4,342.22-6,513.12-1,420.14

Finding the Fourth Proportional to 4,342.22, 6,513.12 and 1,420.14

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Solution

The fourth proportional to 4,342.22, 6,513.12 and 1,420.14 is: 2,130.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,342.22 : 6,513.12 = 1,420.14 : x
  2. Step 2: Convert to fraction form
    4,342.22/6,513.12 = 1,420.14/x
  3. Step 3: Cross multiply
    4,342.22x = 6,513.12 × 1,420.14
  4. Step 4: Simplify right side
    4,342.22x = 9,249,542.24
  5. Step 5: Solve for x
    x = 9,249,542.24/4,342.22
  6. Step 6: Final answer
    x = 2,130.14

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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.