Home / 6,427.81-9,643.20-2,730.16

Finding the Fourth Proportional to 6,427.81, 9,643.20 and 2,730.16

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Solution

The fourth proportional to 6,427.81, 9,643.20 and 2,730.16 is: 4,095.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,427.81 : 9,643.20 = 2,730.16 : x
  2. Step 2: Convert to fraction form
    6,427.81/9,643.20 = 2,730.16/x
  3. Step 3: Cross multiply
    6,427.81x = 9,643.20 × 2,730.16
  4. Step 4: Simplify right side
    6,427.81x = 26,327,478.91
  5. Step 5: Solve for x
    x = 26,327,478.91/6,427.81
  6. Step 6: Final answer
    x = 4,095.87

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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.