Home / 4,001.13-6,001.70-1,812.51

Finding the Fourth Proportional to 4,001.13, 6,001.70 and 1,812.51

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Solution

The fourth proportional to 4,001.13, 6,001.70 and 1,812.51 is: 2,718.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,001.13 : 6,001.70 = 1,812.51 : x
  2. Step 2: Convert to fraction form
    4,001.13/6,001.70 = 1,812.51/x
  3. Step 3: Cross multiply
    4,001.13x = 6,001.70 × 1,812.51
  4. Step 4: Simplify right side
    4,001.13x = 10,878,132.20
  5. Step 5: Solve for x
    x = 10,878,132.20/4,001.13
  6. Step 6: Final answer
    x = 2,718.77

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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.