Home / 7,574.78-10,451.60-4,430.36

Finding the Fourth Proportional to 7,574.78, 10,451.60 and 4,430.36

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Solution

The fourth proportional to 7,574.78, 10,451.60 and 4,430.36 is: 6,112.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,574.78 : 10,451.60 = 4,430.36 : x
  2. Step 2: Convert to fraction form
    7,574.78/10,451.60 = 4,430.36/x
  3. Step 3: Cross multiply
    7,574.78x = 10,451.60 × 4,430.36
  4. Step 4: Simplify right side
    7,574.78x = 46,304,350.58
  5. Step 5: Solve for x
    x = 46,304,350.58/7,574.78
  6. Step 6: Final answer
    x = 6,112.96

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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.