Home / 7,722.47-11,585.63-3,565.40

Finding the Fourth Proportional to 7,722.47, 11,585.63 and 3,565.40

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Solution

The fourth proportional to 7,722.47, 11,585.63 and 3,565.40 is: 5,348.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722.47 : 11,585.63 = 3,565.40 : x
  2. Step 2: Convert to fraction form
    7,722.47/11,585.63 = 3,565.40/x
  3. Step 3: Cross multiply
    7,722.47x = 11,585.63 × 3,565.40
  4. Step 4: Simplify right side
    7,722.47x = 41,307,356.19
  5. Step 5: Solve for x
    x = 41,307,356.19/7,722.47
  6. Step 6: Final answer
    x = 5,348.98

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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.