Home / 6,983.90-10,475.96-1,718.92

Finding the Fourth Proportional to 6,983.90, 10,475.96 and 1,718.92

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Solution

The fourth proportional to 6,983.90, 10,475.96 and 1,718.92 is: 2,578.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,983.90 : 10,475.96 = 1,718.92 : x
  2. Step 2: Convert to fraction form
    6,983.90/10,475.96 = 1,718.92/x
  3. Step 3: Cross multiply
    6,983.90x = 10,475.96 × 1,718.92
  4. Step 4: Simplify right side
    6,983.90x = 18,007,302.38
  5. Step 5: Solve for x
    x = 18,007,302.38/6,983.90
  6. Step 6: Final answer
    x = 2,578.40

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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.