Home / 5,106.28-7,053.62-4,001.20

Finding the Fourth Proportional to 5,106.28, 7,053.62 and 4,001.20

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Solution

The fourth proportional to 5,106.28, 7,053.62 and 4,001.20 is: 5,527.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.28 : 7,053.62 = 4,001.20 : x
  2. Step 2: Convert to fraction form
    5,106.28/7,053.62 = 4,001.20/x
  3. Step 3: Cross multiply
    5,106.28x = 7,053.62 × 4,001.20
  4. Step 4: Simplify right side
    5,106.28x = 28,222,944.34
  5. Step 5: Solve for x
    x = 28,222,944.34/5,106.28
  6. Step 6: Final answer
    x = 5,527.10

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Double scale
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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.