Home / 7,237.29-9,989.52-4,405.11

Finding the Fourth Proportional to 7,237.29, 9,989.52 and 4,405.11

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Solution

The fourth proportional to 7,237.29, 9,989.52 and 4,405.11 is: 6,080.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,237.29 : 9,989.52 = 4,405.11 : x
  2. Step 2: Convert to fraction form
    7,237.29/9,989.52 = 4,405.11/x
  3. Step 3: Cross multiply
    7,237.29x = 9,989.52 × 4,405.11
  4. Step 4: Simplify right side
    7,237.29x = 44,004,934.45
  5. Step 5: Solve for x
    x = 44,004,934.45/7,237.29
  6. Step 6: Final answer
    x = 6,080.31

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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.