Home / 6,741.28-10,107.60-4,430.08

Finding the Fourth Proportional to 6,741.28, 10,107.60 and 4,430.08

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Solution

The fourth proportional to 6,741.28, 10,107.60 and 4,430.08 is: 6,642.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,741.28 : 10,107.60 = 4,430.08 : x
  2. Step 2: Convert to fraction form
    6,741.28/10,107.60 = 4,430.08/x
  3. Step 3: Cross multiply
    6,741.28x = 10,107.60 × 4,430.08
  4. Step 4: Simplify right side
    6,741.28x = 44,777,476.61
  5. Step 5: Solve for x
    x = 44,777,476.61/6,741.28
  6. Step 6: Final answer
    x = 6,642.28

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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.