Home / 6,278.16-9,407.23-3,316.50

Finding the Fourth Proportional to 6,278.16, 9,407.23 and 3,316.50

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Solution

The fourth proportional to 6,278.16, 9,407.23 and 3,316.50 is: 4,969.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.16 : 9,407.23 = 3,316.50 : x
  2. Step 2: Convert to fraction form
    6,278.16/9,407.23 = 3,316.50/x
  3. Step 3: Cross multiply
    6,278.16x = 9,407.23 × 3,316.50
  4. Step 4: Simplify right side
    6,278.16x = 31,199,078.30
  5. Step 5: Solve for x
    x = 31,199,078.30/6,278.16
  6. Step 6: Final answer
    x = 4,969.46

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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.