Home / 5,225.13-7,210.83-2,987.37

Finding the Fourth Proportional to 5,225.13, 7,210.83 and 2,987.37

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Solution

The fourth proportional to 5,225.13, 7,210.83 and 2,987.37 is: 4,122.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.13 : 7,210.83 = 2,987.37 : x
  2. Step 2: Convert to fraction form
    5,225.13/7,210.83 = 2,987.37/x
  3. Step 3: Cross multiply
    5,225.13x = 7,210.83 × 2,987.37
  4. Step 4: Simplify right side
    5,225.13x = 21,541,417.22
  5. Step 5: Solve for x
    x = 21,541,417.22/5,225.13
  6. Step 6: Final answer
    x = 4,122.66

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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.