Home / 7,509.24-10,351.36-4,986.90

Finding the Fourth Proportional to 7,509.24, 10,351.36 and 4,986.90

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Solution

The fourth proportional to 7,509.24, 10,351.36 and 4,986.90 is: 6,874.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,509.24 : 10,351.36 = 4,986.90 : x
  2. Step 2: Convert to fraction form
    7,509.24/10,351.36 = 4,986.90/x
  3. Step 3: Cross multiply
    7,509.24x = 10,351.36 × 4,986.90
  4. Step 4: Simplify right side
    7,509.24x = 51,621,197.18
  5. Step 5: Solve for x
    x = 51,621,197.18/7,509.24
  6. Step 6: Final answer
    x = 6,874.36

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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.