Home / 9,775.24-13,490-5,583.52

Finding the Fourth Proportional to 9,775.24, 13,490 and 5,583.52

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Solution

The fourth proportional to 9,775.24, 13,490 and 5,583.52 is: 7,705.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,775.24 : 13,490 = 5,583.52 : x
  2. Step 2: Convert to fraction form
    9,775.24/13,490 = 5,583.52/x
  3. Step 3: Cross multiply
    9,775.24x = 13,490 × 5,583.52
  4. Step 4: Simplify right side
    9,775.24x = 75,321,684.80
  5. Step 5: Solve for x
    x = 75,321,684.80/9,775.24
  6. Step 6: Final answer
    x = 7,705.35

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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.