Home / 7,345.60-11,020.07-2,415.29

Finding the Fourth Proportional to 7,345.60, 11,020.07 and 2,415.29

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Solution

The fourth proportional to 7,345.60, 11,020.07 and 2,415.29 is: 3,623.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.60 : 11,020.07 = 2,415.29 : x
  2. Step 2: Convert to fraction form
    7,345.60/11,020.07 = 2,415.29/x
  3. Step 3: Cross multiply
    7,345.60x = 11,020.07 × 2,415.29
  4. Step 4: Simplify right side
    7,345.60x = 26,616,602.22
  5. Step 5: Solve for x
    x = 26,616,602.22/7,345.60
  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.