Home / 4,430.21-6,114.57-2,638.13

Finding the Fourth Proportional to 4,430.21, 6,114.57 and 2,638.13

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Solution

The fourth proportional to 4,430.21, 6,114.57 and 2,638.13 is: 3,641.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,430.21 : 6,114.57 = 2,638.13 : x
  2. Step 2: Convert to fraction form
    4,430.21/6,114.57 = 2,638.13/x
  3. Step 3: Cross multiply
    4,430.21x = 6,114.57 × 2,638.13
  4. Step 4: Simplify right side
    4,430.21x = 16,131,030.55
  5. Step 5: Solve for x
    x = 16,131,030.55/4,430.21
  6. Step 6: Final answer
    x = 3,641.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.