Home / 5,021.53-6,931.17-3,031.75

Finding the Fourth Proportional to 5,021.53, 6,931.17 and 3,031.75

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Solution

The fourth proportional to 5,021.53, 6,931.17 and 3,031.75 is: 4,184.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.53 : 6,931.17 = 3,031.75 : x
  2. Step 2: Convert to fraction form
    5,021.53/6,931.17 = 3,031.75/x
  3. Step 3: Cross multiply
    5,021.53x = 6,931.17 × 3,031.75
  4. Step 4: Simplify right side
    5,021.53x = 21,013,574.65
  5. Step 5: Solve for x
    x = 21,013,574.65/5,021.53
  6. Step 6: Final answer
    x = 4,184.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.