Home / 5,152.65-7,112.30-3,137.16

Finding the Fourth Proportional to 5,152.65, 7,112.30 and 3,137.16

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Solution

The fourth proportional to 5,152.65, 7,112.30 and 3,137.16 is: 4,330.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152.65 : 7,112.30 = 3,137.16 : x
  2. Step 2: Convert to fraction form
    5,152.65/7,112.30 = 3,137.16/x
  3. Step 3: Cross multiply
    5,152.65x = 7,112.30 × 3,137.16
  4. Step 4: Simplify right side
    5,152.65x = 22,312,423.07
  5. Step 5: Solve for x
    x = 22,312,423.07/5,152.65
  6. Step 6: Final answer
    x = 4,330.28

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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.