Home / 7,345.57-11,018.61-2,415.59

Finding the Fourth Proportional to 7,345.57, 11,018.61 and 2,415.59

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Solution

The fourth proportional to 7,345.57, 11,018.61 and 2,415.59 is: 3,623.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.57 : 11,018.61 = 2,415.59 : x
  2. Step 2: Convert to fraction form
    7,345.57/11,018.61 = 2,415.59/x
  3. Step 3: Cross multiply
    7,345.57x = 11,018.61 × 2,415.59
  4. Step 4: Simplify right side
    7,345.57x = 26,616,430.36
  5. Step 5: Solve for x
    x = 26,616,430.36/7,345.57
  6. Step 6: Final answer
    x = 3,623.47

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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.