Home / 5,303.30-7,317.29-3,179.48

Finding the Fourth Proportional to 5,303.30, 7,317.29 and 3,179.48

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Solution

The fourth proportional to 5,303.30, 7,317.29 and 3,179.48 is: 4,386.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.30 : 7,317.29 = 3,179.48 : x
  2. Step 2: Convert to fraction form
    5,303.30/7,317.29 = 3,179.48/x
  3. Step 3: Cross multiply
    5,303.30x = 7,317.29 × 3,179.48
  4. Step 4: Simplify right side
    5,303.30x = 23,265,161.31
  5. Step 5: Solve for x
    x = 23,265,161.31/5,303.30
  6. Step 6: Final answer
    x = 4,386.92

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1.5x scale

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.