Home / 7,448.31-11,152.47-3,931.02

Finding the Fourth Proportional to 7,448.31, 11,152.47 and 3,931.02

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Solution

The fourth proportional to 7,448.31, 11,152.47 and 3,931.02 is: 5,885.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.31 : 11,152.47 = 3,931.02 : x
  2. Step 2: Convert to fraction form
    7,448.31/11,152.47 = 3,931.02/x
  3. Step 3: Cross multiply
    7,448.31x = 11,152.47 × 3,931.02
  4. Step 4: Simplify right side
    7,448.31x = 43,840,582.62
  5. Step 5: Solve for x
    x = 43,840,582.62/7,448.31
  6. Step 6: Final answer
    x = 5,885.98

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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.