Home / 5,210.13-7,816.35-1,512.51

Finding the Fourth Proportional to 5,210.13, 7,816.35 and 1,512.51

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Solution

The fourth proportional to 5,210.13, 7,816.35 and 1,512.51 is: 2,269.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.13 : 7,816.35 = 1,512.51 : x
  2. Step 2: Convert to fraction form
    5,210.13/7,816.35 = 1,512.51/x
  3. Step 3: Cross multiply
    5,210.13x = 7,816.35 × 1,512.51
  4. Step 4: Simplify right side
    5,210.13x = 11,822,307.54
  5. Step 5: Solve for x
    x = 11,822,307.54/5,210.13
  6. Step 6: Final answer
    x = 2,269.10

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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.