Home / 6,276.90-9,415.35-5,672.10

Finding the Fourth Proportional to 6,276.90, 9,415.35 and 5,672.10

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Solution

The fourth proportional to 6,276.90, 9,415.35 and 5,672.10 is: 8,508.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,276.90 : 9,415.35 = 5,672.10 : x
  2. Step 2: Convert to fraction form
    6,276.90/9,415.35 = 5,672.10/x
  3. Step 3: Cross multiply
    6,276.90x = 9,415.35 × 5,672.10
  4. Step 4: Simplify right side
    6,276.90x = 53,404,806.74
  5. Step 5: Solve for x
    x = 53,404,806.74/6,276.90
  6. Step 6: Final answer
    x = 8,508.15

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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.