Home / 7,950.48-11,931.14-5,320.96

Finding the Fourth Proportional to 7,950.48, 11,931.14 and 5,320.96

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Solution

The fourth proportional to 7,950.48, 11,931.14 and 5,320.96 is: 7,985.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,950.48 : 11,931.14 = 5,320.96 : x
  2. Step 2: Convert to fraction form
    7,950.48/11,931.14 = 5,320.96/x
  3. Step 3: Cross multiply
    7,950.48x = 11,931.14 × 5,320.96
  4. Step 4: Simplify right side
    7,950.48x = 63,485,118.69
  5. Step 5: Solve for x
    x = 63,485,118.69/7,950.48
  6. Step 6: Final answer
    x = 7,985.07

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1.5x scale

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.