Home / 6,689.16-10,031.64-2,792.76

Finding the Fourth Proportional to 6,689.16, 10,031.64 and 2,792.76

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Solution

The fourth proportional to 6,689.16, 10,031.64 and 2,792.76 is: 4,188.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,689.16 : 10,031.64 = 2,792.76 : x
  2. Step 2: Convert to fraction form
    6,689.16/10,031.64 = 2,792.76/x
  3. Step 3: Cross multiply
    6,689.16x = 10,031.64 × 2,792.76
  4. Step 4: Simplify right side
    6,689.16x = 28,015,962.93
  5. Step 5: Solve for x
    x = 28,015,962.93/6,689.16
  6. Step 6: Final answer
    x = 4,188.26

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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.