Home / 7,572.74-11,358.80-2,642.36

Finding the Fourth Proportional to 7,572.74, 11,358.80 and 2,642.36

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Solution

The fourth proportional to 7,572.74, 11,358.80 and 2,642.36 is: 3,963.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,572.74 : 11,358.80 = 2,642.36 : x
  2. Step 2: Convert to fraction form
    7,572.74/11,358.80 = 2,642.36/x
  3. Step 3: Cross multiply
    7,572.74x = 11,358.80 × 2,642.36
  4. Step 4: Simplify right side
    7,572.74x = 30,014,038.77
  5. Step 5: Solve for x
    x = 30,014,038.77/7,572.74
  6. Step 6: Final answer
    x = 3,963.43

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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.