Home / 5,210.19-7,185.18-4,151.46

Finding the Fourth Proportional to 5,210.19, 7,185.18 and 4,151.46

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Solution

The fourth proportional to 5,210.19, 7,185.18 and 4,151.46 is: 5,725.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.19 : 7,185.18 = 4,151.46 : x
  2. Step 2: Convert to fraction form
    5,210.19/7,185.18 = 4,151.46/x
  3. Step 3: Cross multiply
    5,210.19x = 7,185.18 × 4,151.46
  4. Step 4: Simplify right side
    5,210.19x = 29,828,987.36
  5. Step 5: Solve for x
    x = 29,828,987.36/5,210.19
  6. Step 6: Final answer
    x = 5,725.12

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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.